WebRtc_Word32 -> int32_t in test/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1302004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3794 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/test/channel_transport/channel_transport.cc b/test/channel_transport/channel_transport.cc
index 0faeb33..546d4a2 100644
--- a/test/channel_transport/channel_transport.cc
+++ b/test/channel_transport/channel_transport.cc
@@ -27,7 +27,7 @@
                                              int channel)
     : channel_(channel),
       voe_network_(voe_network) {
-  WebRtc_UWord8 socket_threads = 1;
+  uint8_t socket_threads = 1;
   socket_transport_ = UdpTransport::Create(channel, socket_threads);
 #ifndef WEBRTC_ANDROID
   EXPECT_EQ(0, voe_network_->RegisterExternalTransport(channel,
@@ -43,23 +43,23 @@
 }
 
 void VoiceChannelTransport::IncomingRTPPacket(
-    const WebRtc_Word8* incoming_rtp_packet,
-    const WebRtc_Word32 packet_length,
+    const int8_t* incoming_rtp_packet,
+    const int32_t packet_length,
     const char* /*from_ip*/,
-    const WebRtc_UWord16 /*from_port*/) {
+    const uint16_t /*from_port*/) {
   voe_network_->ReceivedRTPPacket(channel_, incoming_rtp_packet, packet_length);
 }
 
 void VoiceChannelTransport::IncomingRTCPPacket(
-    const WebRtc_Word8* incoming_rtcp_packet,
-    const WebRtc_Word32 packet_length,
+    const int8_t* incoming_rtcp_packet,
+    const int32_t packet_length,
     const char* /*from_ip*/,
-    const WebRtc_UWord16 /*from_port*/) {
+    const uint16_t /*from_port*/) {
   voe_network_->ReceivedRTCPPacket(channel_, incoming_rtcp_packet,
                                    packet_length);
 }
 
-int VoiceChannelTransport::SetLocalReceiver(WebRtc_UWord16 rtp_port) {
+int VoiceChannelTransport::SetLocalReceiver(uint16_t rtp_port) {
   int return_value = socket_transport_->InitializeReceiveSockets(this,
                                                                  rtp_port);
   if (return_value == 0) {
@@ -69,7 +69,7 @@
 }
 
 int VoiceChannelTransport::SetSendDestination(const char* ip_address,
-                                              WebRtc_UWord16 rtp_port) {
+                                              uint16_t rtp_port) {
   return socket_transport_->InitializeSendSockets(ip_address, rtp_port);
 }
 
@@ -78,7 +78,7 @@
                                              int channel)
     : channel_(channel),
       vie_network_(vie_network) {
-  WebRtc_UWord8 socket_threads = 1;
+  uint8_t socket_threads = 1;
   socket_transport_ = UdpTransport::Create(channel, socket_threads);
 #ifndef WEBRTC_ANDROID
   EXPECT_EQ(0, vie_network_->RegisterSendTransport(channel,
@@ -94,23 +94,23 @@
 }
 
 void VideoChannelTransport::IncomingRTPPacket(
-    const WebRtc_Word8* incoming_rtp_packet,
-    const WebRtc_Word32 packet_length,
+    const int8_t* incoming_rtp_packet,
+    const int32_t packet_length,
     const char* /*from_ip*/,
-    const WebRtc_UWord16 /*from_port*/) {
+    const uint16_t /*from_port*/) {
   vie_network_->ReceivedRTPPacket(channel_, incoming_rtp_packet, packet_length);
 }
 
 void VideoChannelTransport::IncomingRTCPPacket(
-    const WebRtc_Word8* incoming_rtcp_packet,
-    const WebRtc_Word32 packet_length,
+    const int8_t* incoming_rtcp_packet,
+    const int32_t packet_length,
     const char* /*from_ip*/,
-    const WebRtc_UWord16 /*from_port*/) {
+    const uint16_t /*from_port*/) {
   vie_network_->ReceivedRTCPPacket(channel_, incoming_rtcp_packet,
                                    packet_length);
 }
 
-int VideoChannelTransport::SetLocalReceiver(WebRtc_UWord16 rtp_port) {
+int VideoChannelTransport::SetLocalReceiver(uint16_t rtp_port) {
   int return_value = socket_transport_->InitializeReceiveSockets(this,
                                                                  rtp_port);
   if (return_value == 0) {
@@ -120,7 +120,7 @@
 }
 
 int VideoChannelTransport::SetSendDestination(const char* ip_address,
-                                              WebRtc_UWord16 rtp_port) {
+                                              uint16_t rtp_port) {
   return socket_transport_->InitializeSendSockets(ip_address, rtp_port);
 }
 
diff --git a/test/channel_transport/include/channel_transport.h b/test/channel_transport/include/channel_transport.h
index ba71829..5208a5c 100644
--- a/test/channel_transport/include/channel_transport.h
+++ b/test/channel_transport/include/channel_transport.h
@@ -28,22 +28,22 @@
   virtual ~VoiceChannelTransport();
 
   // Start implementation of UdpTransportData.
-  void IncomingRTPPacket(const WebRtc_Word8* incoming_rtp_packet,
-                         const WebRtc_Word32 packet_length,
+  void IncomingRTPPacket(const int8_t* incoming_rtp_packet,
+                         const int32_t packet_length,
                          const char* /*from_ip*/,
-                         const WebRtc_UWord16 /*from_port*/);
+                         const uint16_t /*from_port*/);
 
-  void IncomingRTCPPacket(const WebRtc_Word8* incoming_rtcp_packet,
-                          const WebRtc_Word32 packet_length,
+  void IncomingRTCPPacket(const int8_t* incoming_rtcp_packet,
+                          const int32_t packet_length,
                           const char* /*from_ip*/,
-                          const WebRtc_UWord16 /*from_port*/);
+                          const uint16_t /*from_port*/);
   // End implementation of UdpTransportData.
 
   // Specifies the ports to receive RTP packets on.
-  int SetLocalReceiver(WebRtc_UWord16 rtp_port);
+  int SetLocalReceiver(uint16_t rtp_port);
 
   // Specifies the destination port and IP address for a specified channel.  
-  int SetSendDestination(const char* ip_address, WebRtc_UWord16 rtp_port);
+  int SetSendDestination(const char* ip_address, uint16_t rtp_port);
 
  private:
   int channel_;
@@ -59,22 +59,22 @@
   virtual  ~VideoChannelTransport();
 
   // Start implementation of UdpTransportData.
-  void IncomingRTPPacket(const WebRtc_Word8* incoming_rtp_packet,
-                         const WebRtc_Word32 packet_length,
+  void IncomingRTPPacket(const int8_t* incoming_rtp_packet,
+                         const int32_t packet_length,
                          const char* /*from_ip*/,
-                         const WebRtc_UWord16 /*from_port*/);
+                         const uint16_t /*from_port*/);
 
-  void IncomingRTCPPacket(const WebRtc_Word8* incoming_rtcp_packet,
-                          const WebRtc_Word32 packet_length,
+  void IncomingRTCPPacket(const int8_t* incoming_rtcp_packet,
+                          const int32_t packet_length,
                           const char* /*from_ip*/,
-                          const WebRtc_UWord16 /*from_port*/);
+                          const uint16_t /*from_port*/);
   // End implementation of UdpTransportData.
 
   // Specifies the ports to receive RTP packets on.
-  int SetLocalReceiver(WebRtc_UWord16 rtp_port);
+  int SetLocalReceiver(uint16_t rtp_port);
 
   // Specifies the destination port and IP address for a specified channel.  
-  int SetSendDestination(const char* ip_address, WebRtc_UWord16 rtp_port);
+  int SetSendDestination(const char* ip_address, uint16_t rtp_port);
 
  private:
   int channel_;
diff --git a/test/channel_transport/traffic_control_win.cc b/test/channel_transport/traffic_control_win.cc
index 1833586..103412f 100644
--- a/test/channel_transport/traffic_control_win.cc
+++ b/test/channel_transport/traffic_control_win.cc
@@ -18,14 +18,14 @@
 namespace test {
 
 TrafficControlWindows* TrafficControlWindows::instance = NULL;
-WebRtc_UWord32 TrafficControlWindows::refCounter = 0;
+uint32_t TrafficControlWindows::refCounter = 0;
 
-TrafficControlWindows::TrafficControlWindows(const WebRtc_Word32 id) : _id(id)
+TrafficControlWindows::TrafficControlWindows(const int32_t id) : _id(id)
 {
 }
 
 TrafficControlWindows* TrafficControlWindows::GetInstance(
-    const WebRtc_Word32 id)
+    const int32_t id)
 {
     if(instance != NULL)
     {
@@ -165,7 +165,7 @@
         instance = NULL;
     }
 }
-WebRtc_Word32 TrafficControlWindows::ChangeUniqueId(const WebRtc_Word32 id)
+int32_t TrafficControlWindows::ChangeUniqueId(const int32_t id)
 {
     _id = id;
     return 0;
diff --git a/test/channel_transport/traffic_control_win.h b/test/channel_transport/traffic_control_win.h
index 7286ed5..63085cf 100644
--- a/test/channel_transport/traffic_control_win.h
+++ b/test/channel_transport/traffic_control_win.h
@@ -46,10 +46,10 @@
 {
  public:
     // Factory method. Constructor disabled.
-    static TrafficControlWindows* GetInstance(const WebRtc_Word32 id);
+    static TrafficControlWindows* GetInstance(const int32_t id);
     static void Release(TrafficControlWindows* gtc);
 
-    WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+    int32_t ChangeUniqueId(const int32_t id);
 
     ULONG TcRegisterClient(ULONG TciVersion, HANDLE ClRegCtx,
                            PTCI_CLIENT_FUNC_LIST ClientHandlerList,
@@ -74,8 +74,8 @@
     ULONG TcDeleteFlow(HANDLE FlowHandle);
     ULONG TcDeleteFilter(HANDLE FilterHandle);
 private:
-    TrafficControlWindows(const WebRtc_Word32 id);
-    WebRtc_Word32 _id;
+    TrafficControlWindows(const int32_t id);
+    int32_t _id;
     TCI_CLIENT_FUNC_LIST QoSFunctions;
 
     static TrafficControlWindows* instance;
@@ -93,7 +93,7 @@
     filterAddFn tcAddFilter;
     filterDeleteFn tcDeleteFilter;
 
-    static WebRtc_UWord32 refCounter;
+    static uint32_t refCounter;
 };
 
 }  // namespace test
diff --git a/test/channel_transport/udp_socket2_manager_win.cc b/test/channel_transport/udp_socket2_manager_win.cc
index 7d49081..54bd42f 100644
--- a/test/channel_transport/udp_socket2_manager_win.cc
+++ b/test/channel_transport/udp_socket2_manager_win.cc
@@ -19,7 +19,7 @@
 namespace webrtc {
 namespace test {
 
-WebRtc_UWord32 UdpSocket2ManagerWindows::_numOfActiveManagers = 0;
+uint32_t UdpSocket2ManagerWindows::_numOfActiveManagers = 0;
 bool UdpSocket2ManagerWindows::_wsaInit = false;
 
 UdpSocket2ManagerWindows::UdpSocket2ManagerWindows()
@@ -98,8 +98,8 @@
     }
 }
 
-bool UdpSocket2ManagerWindows::Init(WebRtc_Word32 id,
-                                    WebRtc_UWord8& numOfWorkThreads) {
+bool UdpSocket2ManagerWindows::Init(int32_t id,
+                                    uint8_t& numOfWorkThreads) {
   CriticalSectionScoped cs(_pCrit);
   if ((_id != -1) || (_numOfWorkThreads != 0)) {
       assert(_id != -1);
@@ -111,7 +111,7 @@
   return true;
 }
 
-WebRtc_Word32 UdpSocket2ManagerWindows::ChangeUniqueId(const WebRtc_Word32 id)
+int32_t UdpSocket2ManagerWindows::ChangeUniqueId(const int32_t id)
 {
     _id = id;
     return 0;
@@ -133,7 +133,7 @@
     _pCrit->Enter();
     // Start worker threads.
     _stopped = false;
-    WebRtc_Word32 error = 0;
+    int32_t error = 0;
     ListItem* pItem = _workerThreadsList.First();
     UdpSocket2WorkerWindows* pWorker;
     while(pItem != NULL && !error)
@@ -169,7 +169,7 @@
                                                      0, 0);
         if(_ioCompletionHandle == NULL)
         {
-            WebRtc_Word32 error = GetLastError();
+            int32_t error = GetLastError();
             WEBRTC_TRACE(
                 kTraceError,
                 kTraceTransport,
@@ -182,7 +182,7 @@
         }
 
         // Create worker threads.
-        WebRtc_UWord32 i = 0;
+        uint32_t i = 0;
         bool error = false;
         while(i < _numOfWorkThreads && !error)
         {
@@ -272,7 +272,7 @@
 
 bool UdpSocket2ManagerWindows::StopWorkerThreads()
 {
-    WebRtc_Word32 error = 0;
+    int32_t error = 0;
     WEBRTC_TRACE(
         kTraceDebug,
         kTraceTransport,
@@ -295,7 +295,7 @@
     // Release all threads waiting for GetQueuedCompletionStatus(..).
     if(_ioCompletionHandle)
     {
-        WebRtc_UWord32 i = 0;
+        uint32_t i = 0;
         for(i = 0; i < _workerThreadsList.GetSize(); i++)
         {
             PostQueuedCompletionStatus(_ioCompletionHandle, 0 ,0 , NULL);
@@ -365,7 +365,7 @@
             "UdpSocket2ManagerWindows(%d)::AddSocketPrv() socket->GetFd() ==\
  %d",
             _managerNumber,
-            (WebRtc_Word32)s->GetFd());
+            (int32_t)s->GetFd());
         _pCrit->Leave();
         return false;
 
@@ -375,7 +375,7 @@
                                                  (ULONG_PTR)(s), 0);
     if(_ioCompletionHandle == NULL)
     {
-        WebRtc_Word32 error = GetLastError();
+        int32_t error = GetLastError();
         WEBRTC_TRACE(
             kTraceError,
             kTraceTransport,
@@ -430,7 +430,7 @@
     return pIoC;
 }
 
-WebRtc_Word32 UdpSocket2ManagerWindows::PushIoContext(PerIoContext* pIoContext)
+int32_t UdpSocket2ManagerWindows::PushIoContext(PerIoContext* pIoContext)
 {
     return _ioContextPool.PushIoContext(pIoContext);
 }
@@ -450,7 +450,7 @@
     AlignedFree(_pListHead);
 }
 
-WebRtc_Word32 IoContextPool::Init(WebRtc_UWord32 /*increaseSize*/)
+int32_t IoContextPool::Init(uint32_t /*increaseSize*/)
 {
     if(_init)
     {
@@ -495,7 +495,7 @@
     return &((IoContextPoolItem*)pListEntry)->payload.ioContext;
 }
 
-WebRtc_Word32 IoContextPool::PushIoContext(PerIoContext* pIoContext)
+int32_t IoContextPool::PushIoContext(PerIoContext* pIoContext)
 {
     // TODO (hellner): Overlapped IO should be completed at this point. Perhaps
     //                 add an assert?
@@ -504,9 +504,9 @@
 
     IoContextPoolItem* item = ((IoContextPoolItemPayload*)pIoContext)->base;
 
-    const WebRtc_Word32 usedItems = --_inUse;
-    const WebRtc_Word32 totalItems = _size.Value();
-    const WebRtc_Word32 freeItems = totalItems - usedItems;
+    const int32_t usedItems = --_inUse;
+    const int32_t totalItems = _size.Value();
+    const int32_t freeItems = totalItems - usedItems;
     if(freeItems < 0)
     {
         assert(false);
@@ -524,14 +524,14 @@
     return 0;
 }
 
-WebRtc_Word32 IoContextPool::Free()
+int32_t IoContextPool::Free()
 {
     if(!_init)
     {
         return 0;
     }
 
-    WebRtc_Word32 itemsFreed = 0;
+    int32_t itemsFreed = 0;
     PSLIST_ENTRY pListEntry = InterlockedPopEntrySList(_pListHead);
     while(pListEntry != NULL)
     {
@@ -544,7 +544,7 @@
     return itemsFreed;
 }
 
-WebRtc_Word32 UdpSocket2WorkerWindows::_numOfWorkers = 0;
+int32_t UdpSocket2WorkerWindows::_numOfWorkers = 0;
 
 UdpSocket2WorkerWindows::UdpSocket2WorkerWindows(HANDLE ioCompletionHandle)
     : _ioCompletionHandle(ioCompletionHandle),
@@ -588,7 +588,7 @@
     _pThread->SetNotAlive();
 }
 
-WebRtc_Word32 UdpSocket2WorkerWindows::Init()
+int32_t UdpSocket2WorkerWindows::Init()
 {
     if(!_init)
     {
@@ -621,7 +621,7 @@
 // the UdpSocket2ManagerWindows::StopWorkerThreads() function.
 bool UdpSocket2WorkerWindows::Process()
 {
-    WebRtc_Word32 success = 0;
+    int32_t success = 0;
     DWORD ioSize = 0;
     UdpSocket2Windows* pSocket = NULL;
     PerIoContext* pIOContext = 0;
@@ -630,7 +630,7 @@
                                         &ioSize,
                                        (ULONG_PTR*)&pSocket, &pOverlapped, 200);
 
-    WebRtc_UWord32 error = 0;
+    uint32_t error = 0;
     if(!success)
     {
         error = GetLastError();
diff --git a/test/channel_transport/udp_socket2_manager_win.h b/test/channel_transport/udp_socket2_manager_win.h
index d77c792..49b0c11 100644
--- a/test/channel_transport/udp_socket2_manager_win.h
+++ b/test/channel_transport/udp_socket2_manager_win.h
@@ -75,13 +75,13 @@
 public:
     IoContextPool();
     virtual ~IoContextPool();
-    virtual WebRtc_Word32 Init(WebRtc_UWord32 increaseSize = 128);
+    virtual int32_t Init(uint32_t increaseSize = 128);
     // Re-use an old unused IO context or create a new one.
     virtual PerIoContext* PopIoContext();
-    virtual WebRtc_Word32 PushIoContext(PerIoContext* pIoContext);
-    virtual inline WebRtc_Word32 GetSize(WebRtc_UWord32* inUse = 0)
+    virtual int32_t PushIoContext(PerIoContext* pIoContext);
+    virtual inline int32_t GetSize(uint32_t* inUse = 0)
     {return _size.Value();}
-    virtual WebRtc_Word32 Free();
+    virtual int32_t Free();
 private:
     // Sample code for use of msfts single linked atomic list can be found here:
     // http://msdn.microsoft.com/en-us/library/ms686962(VS.85).aspx
@@ -101,8 +101,8 @@
     UdpSocket2ManagerWindows();
     virtual ~UdpSocket2ManagerWindows();
 
-    virtual bool Init(WebRtc_Word32 id, WebRtc_UWord8& numOfWorkThreads);
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+    virtual bool Init(int32_t id, uint8_t& numOfWorkThreads);
+    virtual int32_t ChangeUniqueId(const int32_t id);
 
     virtual bool Start();
     virtual bool Stop();
@@ -115,7 +115,7 @@
      return false;}
 
     PerIoContext* PopIoContext(void);
-    WebRtc_Word32 PushIoContext(PerIoContext* pIoContext);
+    int32_t PushIoContext(PerIoContext* pIoContext);
 
 private:
     bool StopWorkerThreads();
@@ -123,15 +123,15 @@
     bool AddSocketPrv(UdpSocket2Windows* s);
     bool RemoveSocketPrv(UdpSocket2Windows* s);
 
-    static WebRtc_UWord32 _numOfActiveManagers;
+    static uint32_t _numOfActiveManagers;
     static bool _wsaInit;
 
-    WebRtc_Word32 _id;
+    int32_t _id;
     CriticalSectionWrapper* _pCrit;
-    WebRtc_Word32 _managerNumber;
+    int32_t _managerNumber;
     volatile bool _stopped;
     bool _init;
-    WebRtc_Word32 _numActiveSockets;
+    int32_t _numActiveSockets;
     ListWrapper _workerThreadsList;
     EventWrapper* _event;
 
@@ -147,7 +147,7 @@
 
     virtual bool Start();
     virtual bool Stop();
-    virtual WebRtc_Word32 Init();
+    virtual int32_t Init();
     virtual void SetNotAlive();
 protected:
     static bool Run(ThreadObj obj);
@@ -155,8 +155,8 @@
 private:
     HANDLE _ioCompletionHandle;
     ThreadWrapper*_pThread;
-    static WebRtc_Word32 _numOfWorkers;
-    WebRtc_Word32 _workerNumber;
+    static int32_t _numOfWorkers;
+    int32_t _workerNumber;
     volatile bool _stop;
     bool _init;
 };
diff --git a/test/channel_transport/udp_socket2_win.cc b/test/channel_transport/udp_socket2_win.cc
index fe26273..b244f72 100644
--- a/test/channel_transport/udp_socket2_win.cc
+++ b/test/channel_transport/udp_socket2_win.cc
@@ -39,7 +39,7 @@
 #define QOS_GENERAL_ID_BASE 2000
 #define QOS_OBJECT_DESTADDR (0x00000004 + QOS_GENERAL_ID_BASE)
 
-UdpSocket2Windows::UdpSocket2Windows(const WebRtc_Word32 id,
+UdpSocket2Windows::UdpSocket2Windows(const int32_t id,
                                      UdpSocketManager* mgr, bool ipV6Enable,
                                      bool disableGQOS)
     : _id(id),
@@ -85,7 +85,7 @@
         DWORD dwBufLen = 0;
         // Set dwBufLen to the size needed to retreive all the requested
         // information from WSAEnumProtocols.
-        WebRtc_Word32 nRet = WSAEnumProtocols(NULL, lpProtocolBuf, &dwBufLen);
+        int32_t nRet = WSAEnumProtocols(NULL, lpProtocolBuf, &dwBufLen);
         lpProtocolBuf = (WSAPROTOCOL_INFO*)malloc(dwBufLen);
         nRet = WSAEnumProtocols(NULL, lpProtocolBuf, &dwBufLen);
 
@@ -96,7 +96,7 @@
             _iProtocol=AF_INET;
         }
 
-        for (WebRtc_Word32 i=0; i<nRet; i++)
+        for (int32_t i=0; i<nRet; i++)
         {
             if (_iProtocol == lpProtocolBuf[i].iAddressFamily &&
                 IPPROTO_UDP == lpProtocolBuf[i].iProtocol)
@@ -164,9 +164,9 @@
 
     // Disable send buffering on the socket to improve CPU usage.
     // This is done by setting SO_SNDBUF to 0.
-    WebRtc_Word32 nZero = 0;
-    WebRtc_Word32 nRet = setsockopt(_socket, SOL_SOCKET, SO_SNDBUF,
-                                    (char*)&nZero, sizeof(nZero));
+    int32_t nZero = 0;
+    int32_t nRet = setsockopt(_socket, SOL_SOCKET, SO_SNDBUF,
+                              (char*)&nZero, sizeof(nZero));
     if( nRet == SOCKET_ERROR )
     {
         WEBRTC_TRACE(
@@ -215,7 +215,7 @@
     }
 }
 
-WebRtc_Word32 UdpSocket2Windows::ChangeUniqueId(const WebRtc_Word32 id)
+int32_t UdpSocket2Windows::ChangeUniqueId(const int32_t id)
 {
     _id = id;
     if (_gtc)
@@ -238,12 +238,12 @@
     _ptrCbRWLock->ReleaseLockExclusive();
 
     WEBRTC_TRACE(kTraceDebug, kTraceTransport, _id,
-                 "UdpSocket2Windows(%d)::SetCallback ",(WebRtc_Word32)this);
+                 "UdpSocket2Windows(%d)::SetCallback ",(int32_t)this);
     if(_addedToMgr)
     {
         WEBRTC_TRACE(kTraceDebug, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::SetCallback alreadey added",
-                     (WebRtc_Word32) this);
+                     (int32_t) this);
         return false;
 
     }
@@ -252,20 +252,19 @@
         WEBRTC_TRACE(
             kTraceDebug, kTraceTransport, _id,
             "UdpSocket2Windows(%d)::SetCallback socket added to manager",
-            (WebRtc_Word32)this);
+            (int32_t)this);
         _addedToMgr = true;
         return true;
     }
 
     WEBRTC_TRACE(kTraceDebug, kTraceTransport, _id,
                  "UdpSocket2Windows(%d)::SetCallback error adding me to mgr",
-                 (WebRtc_Word32) this);
+                 (int32_t) this);
     return false;
 }
 
-bool UdpSocket2Windows::SetSockopt(WebRtc_Word32 level, WebRtc_Word32 optname,
-                                   const WebRtc_Word8* optval,
-                                   WebRtc_Word32 optlen)
+bool UdpSocket2Windows::SetSockopt(int32_t level, int32_t optname,
+                                   const int8_t* optval, int32_t optlen)
 {
     bool returnValue = true;
     if(!AquireSocket())
@@ -284,21 +283,21 @@
     return returnValue;
 }
 
-bool UdpSocket2Windows::StartReceiving(WebRtc_UWord32 receiveBuffers)
+bool UdpSocket2Windows::StartReceiving(uint32_t receiveBuffers)
 {
     WEBRTC_TRACE(kTraceDebug, kTraceTransport, _id,
-                 "UdpSocket2Windows(%d)::StartReceiving(%d)",
-                 (WebRtc_Word32)this, receiveBuffers);
+                 "UdpSocket2Windows(%d)::StartReceiving(%d)", (int32_t)this,
+                 receiveBuffers);
 
     _wantsIncoming = true;
 
-    WebRtc_Word32 numberOfReceiveBuffersToCreate =
+    int32_t numberOfReceiveBuffersToCreate =
         receiveBuffers - _receiveBuffers.Value();
     numberOfReceiveBuffersToCreate = (numberOfReceiveBuffersToCreate < 0) ?
         0 : numberOfReceiveBuffersToCreate;
 
-    WebRtc_Word32 error = 0;
-    for(WebRtc_Word32 i = 0;
+    int32_t error = 0;
+    for(int32_t i = 0;
         i < numberOfReceiveBuffersToCreate;
         i++)
     {
@@ -350,17 +349,16 @@
     return returnValue;
 }
 
-WebRtc_Word32 UdpSocket2Windows::SendTo(const WebRtc_Word8* buf,
-                                        WebRtc_Word32 len,
-                                        const SocketAddress& to)
+int32_t UdpSocket2Windows::SendTo(const int8_t* buf, int32_t len,
+                                  const SocketAddress& to)
 {
-    WebRtc_Word32 retVal = 0;
-    WebRtc_Word32 error = 0;
+    int32_t retVal = 0;
+    int32_t error = 0;
     if(len < 0)
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::SendTo(), len= %d < 0",
-                     (WebRtc_Word32)this, len);
+                     (int32_t)this, len);
         return -1;
     }
 
@@ -369,19 +367,19 @@
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::SendTo(), pIoContext==0",
-                     (WebRtc_Word32) this);
+                     (int32_t) this);
         return -1;
     }
     // sizeof(pIoContext->buffer) is smaller than the highest number that
-    // can be represented by a WebRtc_Word32.
-    if(len >= (WebRtc_Word32) sizeof(pIoContext->buffer))
+    // can be represented by a int32_t.
+    if(len >= (int32_t) sizeof(pIoContext->buffer))
     {
         WEBRTC_TRACE(
             kTraceError,
             kTraceTransport,
             _id,
             "UdpSocket2Windows(%d)::SendTo(), len= %d > buffer_size = %d",
-            (WebRtc_Word32) this,
+            (int32_t) this,
             len,sizeof(pIoContext->buffer));
         len = sizeof(pIoContext->buffer);
     }
@@ -435,7 +433,7 @@
             kTraceTransport,
             _id,
             "UdpSocket2Windows(%d)::SendTo(), error:%d pushing ioContext",
-            (WebRtc_Word32)this, error);
+            (int32_t)this, error);
     }
 
     // Roll back.
@@ -444,7 +442,7 @@
 }
 
 void UdpSocket2Windows::IOCompleted(PerIoContext* pIOContext,
-                                    WebRtc_UWord32 ioSize, WebRtc_UWord32 error)
+                                    uint32_t ioSize, uint32_t error)
 {
     if(pIOContext == NULL || error == ERROR_OPERATION_ABORTED)
     {
@@ -477,10 +475,10 @@
                     kTraceTransport,
                     _id,
                     "UdpSocket2Windows::IOCompleted(%d,%d,%d), %d",
-                    (WebRtc_Word32)pIOContext,
+                    (int32_t)pIOContext,
                     ioSize,
                     error,
-                    pIOContext ? (WebRtc_Word32)pIOContext->ioOperation : -1);
+                    pIOContext ? (int32_t)pIOContext->ioOperation : -1);
             } else {
                 WEBRTC_TRACE(
                     kTraceDebug,
@@ -490,12 +488,12 @@
             }
             if(pIOContext)
             {
-                WebRtc_Word32 remainingReceiveBuffers = --_receiveBuffers;
+                int32_t remainingReceiveBuffers = --_receiveBuffers;
                 if(remainingReceiveBuffers < 0)
                 {
                     assert(false);
                 }
-                WebRtc_Word32 err = 0;
+                int32_t err = 0;
                 if((err = _mgr->PushIoContext(pIOContext)))
                 {
                     WEBRTC_TRACE(
@@ -524,14 +522,14 @@
             if(_wantsIncoming && _incomingCb)
             {
                 _incomingCb(_obj,
-                            reinterpret_cast<const WebRtc_Word8*>(
+                            reinterpret_cast<const int8_t*>(
                                 pIOContext->wsabuf.buf),
                             ioSize,
                             &pIOContext->from);
             }
             _ptrCbRWLock->ReleaseLockShared();
         }
-        WebRtc_Word32 err = PostRecv(pIOContext);
+        int32_t err = PostRecv(pIOContext);
         if(err == 0)
         {
             // The PerIoContext was posted by a thread controlled by the socket
@@ -551,14 +549,14 @@
     // may be deleted at this point.
 }
 
-WebRtc_Word32 UdpSocket2Windows::PostRecv()
+int32_t UdpSocket2Windows::PostRecv()
 {
     PerIoContext* pIoContext=_mgr->PopIoContext();
     if(pIoContext == 0)
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::PostRecv(), pIoContext == 0",
-                     (WebRtc_Word32)this);
+                     (int32_t)this);
         return -1;
     }
     // This function may have been called by thread not controlled by the socket
@@ -567,13 +565,13 @@
     return PostRecv(pIoContext);
 }
 
-WebRtc_Word32 UdpSocket2Windows::PostRecv(PerIoContext* pIoContext)
+int32_t UdpSocket2Windows::PostRecv(PerIoContext* pIoContext)
 {
     if(pIoContext==0)
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::PostRecv(?), pIoContext==0",
-                     (WebRtc_Word32)this);
+                     (int32_t)this);
         return -1;
     }
 
@@ -583,9 +581,9 @@
     pIoContext->wsabuf.len = sizeof(pIoContext->buffer);
     pIoContext->fromLen = sizeof(SocketAddress);
     pIoContext->ioOperation = OP_READ;
-    WebRtc_Word32 rxError = 0;
-    WebRtc_Word32 nRet = 0;
-    WebRtc_Word32 postingSucessfull = false;
+    int32_t rxError = 0;
+    int32_t nRet = 0;
+    int32_t postingSucessfull = false;
 
     if(!AquireSocket())
     {
@@ -601,7 +599,7 @@
         ReleaseSocket();
         return -1;
     }
-    for(WebRtc_Word32 tries = 0; tries < 10; tries++)
+    for(int32_t tries = 0; tries < 10; tries++)
     {
         nRet = WSARecvFrom(
             _socket,
@@ -625,7 +623,7 @@
                     _id,
                     "UdpSocket2Windows(%d)::PostRecv(?), WSAerror:%d when\
  posting new recieve,trie:%d",
-                    (WebRtc_Word32)this,
+                    (int32_t)this,
                     rxError,
                     tries);
                 // Tell the OS that this is a good place to context switch if
@@ -645,12 +643,12 @@
     {
         return 0;
     }
-    WebRtc_Word32 remainingReceiveBuffers = --_receiveBuffers;
+    int32_t remainingReceiveBuffers = --_receiveBuffers;
     if(remainingReceiveBuffers < 0)
     {
         assert(false);
     }
-    WebRtc_Word32 error = 0;
+    int32_t error = 0;
     if((error = _mgr->PushIoContext(pIoContext)))
     {
         WEBRTC_TRACE(
@@ -658,7 +656,7 @@
             kTraceTransport,
             _id,
             "UdpSocket2Windows(%d)::PostRecv(?), error:%d when PushIoContext",
-            (WebRtc_Word32)this,
+            (int32_t)this,
             error);
     }
     // Roll back.
@@ -688,14 +686,14 @@
     delete this;
 }
 
-bool UdpSocket2Windows::SetQos(WebRtc_Word32 serviceType,
-                               WebRtc_Word32 tokenRate,
-                               WebRtc_Word32 bucketSize,
-                               WebRtc_Word32 peekBandwith,
-                               WebRtc_Word32 minPolicedSize,
-                               WebRtc_Word32 maxSduSize,
+bool UdpSocket2Windows::SetQos(int32_t serviceType,
+                               int32_t tokenRate,
+                               int32_t bucketSize,
+                               int32_t peekBandwith,
+                               int32_t minPolicedSize,
+                               int32_t maxSduSize,
                                const SocketAddress &stRemName,
-                               WebRtc_Word32 overrideDSCP)
+                               int32_t overrideDSCP)
 {
     if(_qos == false)
     {
@@ -706,9 +704,9 @@
     if(overrideDSCP != 0)
     {
         FLOWSPEC f;
-        WebRtc_Word32 err = CreateFlowSpec(serviceType, tokenRate, bucketSize,
-                                           peekBandwith, minPolicedSize,
-                                           maxSduSize, &f);
+        int32_t err = CreateFlowSpec(serviceType, tokenRate, bucketSize,
+                                     peekBandwith, minPolicedSize,
+                                     maxSduSize, &f);
         if(err == -1)
         {
             return false;
@@ -761,7 +759,7 @@
 
     Qos.ProviderSpecific.buf = NULL;
 
-    ZeroMemory((WebRtc_Word8 *)&QosDestaddr, sizeof(QosDestaddr));
+    ZeroMemory((int8_t *)&QosDestaddr, sizeof(QosDestaddr));
 
     OSVERSIONINFOEX osvie;
     osvie.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
@@ -809,7 +807,7 @@
     }
     // To set QoS with SIO_SET_QOS the socket must be locally bound first
     // or the call will fail with error code 10022.
-    WebRtc_Word32 result = WSAIoctl(GetFd(), SIO_SET_QOS, &Qos, sizeof(QOS),
+    int32_t result = WSAIoctl(GetFd(), SIO_SET_QOS, &Qos, sizeof(QOS),
                                     NULL, 0, &BytesRet, NULL,NULL);
     ReleaseSocket();
     if (result == SOCKET_ERROR)
@@ -822,7 +820,7 @@
     return true;
 }
 
-WebRtc_Word32 UdpSocket2Windows::SetTOS(WebRtc_Word32 serviceType)
+int32_t UdpSocket2Windows::SetTOS(int32_t serviceType)
 {
     SocketAddress socketName;
 
@@ -835,7 +833,7 @@
         ReleaseSocket();
     }
 
-    WebRtc_Word32 res = SetTrafficControl(serviceType, -1, name);
+    int32_t res = SetTrafficControl(serviceType, -1, name);
     if (res == -1)
     {
         OSVERSIONINFO OsVersion;
@@ -845,7 +843,7 @@
         if ((OsVersion.dwMajorVersion == 4)) // NT 4.0
         {
             if(SetSockopt(IPPROTO_IP,IP_TOS ,
-                          (WebRtc_Word8*)&serviceType, 4) != 0)
+                          (int8_t*)&serviceType, 4) != 0)
             {
                 return -1;
             }
@@ -854,7 +852,7 @@
     return res;
 }
 
-WebRtc_Word32 UdpSocket2Windows::SetPCP(WebRtc_Word32 pcp)
+int32_t UdpSocket2Windows::SetPCP(int32_t pcp)
 {
     SocketAddress socketName;
     struct sockaddr_in* name =
@@ -868,9 +866,9 @@
     return SetTrafficControl(-1, pcp, name);
 }
 
-WebRtc_Word32 UdpSocket2Windows::SetTrafficControl(
-    WebRtc_Word32 dscp,
-    WebRtc_Word32 pcp,
+int32_t UdpSocket2Windows::SetTrafficControl(
+    int32_t dscp,
+    int32_t pcp,
     const struct sockaddr_in* name,
     FLOWSPEC* send, FLOWSPEC* recv)
 {
@@ -988,9 +986,9 @@
     // Find the interface corresponding to the local address.
     for(oneinterface = pInterfaceBuffer;
         oneinterface != (PTC_IFC_DESCRIPTOR)
-            (((WebRtc_Word8*)pInterfaceBuffer) + BufferSize);
+            (((int8_t*)pInterfaceBuffer) + BufferSize);
         oneinterface = (PTC_IFC_DESCRIPTOR)
-            ((WebRtc_Word8 *)oneinterface + oneinterface->Length))
+            ((int8_t *)oneinterface + oneinterface->Length))
     {
 
         char interfaceName[500];
@@ -1201,8 +1199,8 @@
 
     IP_PATTERN filterPattern, mask;
 
-    ZeroMemory((WebRtc_Word8*)&filterPattern, sizeof(IP_PATTERN));
-    ZeroMemory((WebRtc_Word8*)&mask, sizeof(IP_PATTERN));
+    ZeroMemory((int8_t*)&filterPattern, sizeof(IP_PATTERN));
+    ZeroMemory((int8_t*)&mask, sizeof(IP_PATTERN));
 
     filterPattern.ProtocolId = IPPROTO_UDP;
     // "name" fields already in network order.
@@ -1247,13 +1245,13 @@
     return 0;
 }
 
-WebRtc_Word32 UdpSocket2Windows::CreateFlowSpec(WebRtc_Word32 serviceType,
-                                                WebRtc_Word32 tokenRate,
-                                                WebRtc_Word32 bucketSize,
-                                                WebRtc_Word32 peekBandwith,
-                                                WebRtc_Word32 minPolicedSize,
-                                                WebRtc_Word32 maxSduSize,
-                                                FLOWSPEC* f)
+int32_t UdpSocket2Windows::CreateFlowSpec(int32_t serviceType,
+                                          int32_t tokenRate,
+                                          int32_t bucketSize,
+                                          int32_t peekBandwith,
+                                          int32_t minPolicedSize,
+                                          int32_t maxSduSize,
+                                          FLOWSPEC* f)
 {
     if (!f)
     {
@@ -1380,7 +1378,7 @@
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                      "UdpSocket2Windows(%d)::InvalidateSocket() WSAerror: %d",
-                     (WebRtc_Word32)this, WSAGetLastError());
+                     (int32_t)this, WSAGetLastError());
     }
     _socket = INVALID_SOCKET;
     _ptrSocketRWLock->ReleaseLockExclusive();
diff --git a/test/channel_transport/udp_socket2_win.h b/test/channel_transport/udp_socket2_win.h
index 624db9b..b9c4f97 100644
--- a/test/channel_transport/udp_socket2_win.h
+++ b/test/channel_transport/udp_socket2_win.h
@@ -39,48 +39,47 @@
 class UdpSocket2Windows : public UdpSocketWrapper
 {
 public:
-    UdpSocket2Windows(const WebRtc_Word32 id, UdpSocketManager* mgr,
+    UdpSocket2Windows(const int32_t id, UdpSocketManager* mgr,
                       bool ipV6Enable = false, bool disableGQOS = false);
     virtual ~UdpSocket2Windows();
 
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+    virtual int32_t ChangeUniqueId(const int32_t id);
 
     virtual bool ValidHandle();
 
     virtual bool SetCallback(CallbackObj, IncomingSocketCallback);
 
     virtual bool Bind(const SocketAddress& name);
-    virtual bool SetSockopt(WebRtc_Word32 level, WebRtc_Word32 optname,
-                            const WebRtc_Word8* optval, WebRtc_Word32 optlen);
+    virtual bool SetSockopt(int32_t level, int32_t optname,
+                            const int8_t* optval, int32_t optlen);
 
-    virtual bool StartReceiving(const WebRtc_UWord32 receiveBuffers);
+    virtual bool StartReceiving(const uint32_t receiveBuffers);
     virtual inline bool StartReceiving() {return StartReceiving(8);}
     virtual bool StopReceiving();
 
-    virtual WebRtc_Word32 SendTo(const WebRtc_Word8* buf, WebRtc_Word32 len,
-                                 const SocketAddress& to);
+    virtual int32_t SendTo(const int8_t* buf, int32_t len,
+                           const SocketAddress& to);
 
     virtual void CloseBlocking();
 
     virtual SOCKET GetFd() { return _socket;}
-    virtual bool SetQos(WebRtc_Word32 serviceType, WebRtc_Word32 tokenRate,
-                        WebRtc_Word32 bucketSize, WebRtc_Word32 peekBandwith,
-                        WebRtc_Word32 minPolicedSize, WebRtc_Word32 maxSduSize,
+    virtual bool SetQos(int32_t serviceType, int32_t tokenRate,
+                        int32_t bucketSize, int32_t peekBandwith,
+                        int32_t minPolicedSize, int32_t maxSduSize,
                         const SocketAddress &stRemName,
-                        WebRtc_Word32 overrideDSCP = 0);
+                        int32_t overrideDSCP = 0);
 
-    virtual WebRtc_Word32 SetTOS(const WebRtc_Word32 serviceType);
-    virtual WebRtc_Word32 SetPCP(const WebRtc_Word32 pcp);
+    virtual int32_t SetTOS(const int32_t serviceType);
+    virtual int32_t SetPCP(const int32_t pcp);
 
-    virtual WebRtc_UWord32 ReceiveBuffers(){return _receiveBuffers.Value();}
+    virtual uint32_t ReceiveBuffers(){return _receiveBuffers.Value();}
 
 protected:
-    void IOCompleted(PerIoContext* pIOContext, WebRtc_UWord32 ioSize,
-                     WebRtc_UWord32 error);
+    void IOCompleted(PerIoContext* pIOContext, uint32_t ioSize, uint32_t error);
 
-    WebRtc_Word32 PostRecv();
+    int32_t PostRecv();
     // Use pIoContext to post a new WSARecvFrom(..).
-    WebRtc_Word32 PostRecv(PerIoContext* pIoContext);
+    int32_t PostRecv(PerIoContext* pIoContext);
 
 private:
     friend class UdpSocket2WorkerWindows;
@@ -108,18 +107,18 @@
     // If dscp is 0 and pcp is 0-7 (1), (2) and (3) will be created.
     // Note: input parameter values are assumed to be in valid range, checks
     // must be done by caller.
-    WebRtc_Word32 SetTrafficControl(WebRtc_Word32 dscp, WebRtc_Word32 pcp,
-                                    const struct sockaddr_in* name,
-                                    FLOWSPEC* send = NULL,
-                                    FLOWSPEC* recv = NULL);
-    WebRtc_Word32 CreateFlowSpec(WebRtc_Word32 serviceType,
-                                 WebRtc_Word32 tokenRate,
-                                 WebRtc_Word32 bucketSize,
-                                 WebRtc_Word32 peekBandwith,
-                                 WebRtc_Word32 minPolicedSize,
-                                 WebRtc_Word32 maxSduSize, FLOWSPEC *f);
+    int32_t SetTrafficControl(int32_t dscp, int32_t pcp,
+                              const struct sockaddr_in* name,
+                              FLOWSPEC* send = NULL,
+                              FLOWSPEC* recv = NULL);
+    int32_t CreateFlowSpec(int32_t serviceType,
+                           int32_t tokenRate,
+                           int32_t bucketSize,
+                           int32_t peekBandwith,
+                           int32_t minPolicedSize,
+                           int32_t maxSduSize, FLOWSPEC *f);
 
-    WebRtc_Word32 _id;
+    int32_t _id;
     RWLockWrapper* _ptrCbRWLock;
     IncomingSocketCallback _incomingCb;
     CallbackObj _obj;
@@ -127,7 +126,7 @@
 
     SocketAddress _remoteAddr;
     SOCKET _socket;
-    WebRtc_Word32 _iProtocol;
+    int32_t _iProtocol;
     UdpSocket2ManagerWindows* _mgr;
 
     CriticalSectionWrapper* _pCrit;
diff --git a/test/channel_transport/udp_socket_manager_posix.cc b/test/channel_transport/udp_socket_manager_posix.cc
index 8cd270f..ac30c64 100644
--- a/test/channel_transport/udp_socket_manager_posix.cc
+++ b/test/channel_transport/udp_socket_manager_posix.cc
@@ -35,8 +35,7 @@
 {
 }
 
-bool UdpSocketManagerPosix::Init(WebRtc_Word32 id,
-                                 WebRtc_UWord8& numOfWorkThreads) {
+bool UdpSocketManagerPosix::Init(int32_t id, uint8_t& numOfWorkThreads) {
     CriticalSectionScoped cs(_critSect);
     if ((_id != -1) || (_numOfWorkThreads != 0)) {
         assert(_id != -1);
@@ -74,7 +73,7 @@
     delete _critSect;
 }
 
-WebRtc_Word32 UdpSocketManagerPosix::ChangeUniqueId(const WebRtc_Word32 id)
+int32_t UdpSocketManagerPosix::ChangeUniqueId(const int32_t id)
 {
     _id = id;
     return 0;
diff --git a/test/channel_transport/udp_socket_manager_posix.h b/test/channel_transport/udp_socket_manager_posix.h
index e6df98e..264c4a2 100644
--- a/test/channel_transport/udp_socket_manager_posix.h
+++ b/test/channel_transport/udp_socket_manager_posix.h
@@ -36,10 +36,9 @@
     UdpSocketManagerPosix();
     virtual ~UdpSocketManagerPosix();
 
-    virtual bool Init(WebRtc_Word32 id,
-                      WebRtc_UWord8& numOfWorkThreads);
+    virtual bool Init(int32_t id, uint8_t& numOfWorkThreads);
 
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+    virtual int32_t ChangeUniqueId(const int32_t id);
 
     virtual bool Start();
     virtual bool Stop();
@@ -47,11 +46,11 @@
     virtual bool AddSocket(UdpSocketWrapper* s);
     virtual bool RemoveSocket(UdpSocketWrapper* s);
 private:
-    WebRtc_Word32 _id;
+    int32_t _id;
     CriticalSectionWrapper* _critSect;
-    WebRtc_UWord8 _numberOfSocketMgr;
-    WebRtc_UWord8 _incSocketMgrNextTime;
-    WebRtc_UWord8 _nextSocketMgrToAssign;
+    uint8_t _numberOfSocketMgr;
+    uint8_t _incSocketMgrNextTime;
+    uint8_t _nextSocketMgrToAssign;
     UdpSocketManagerPosixImpl* _socketMgr[MAX_NUMBER_OF_SOCKET_MANAGERS_LINUX];
 };
 
diff --git a/test/channel_transport/udp_socket_manager_unittest.cc b/test/channel_transport/udp_socket_manager_unittest.cc
index 8045dfe..c1a29a8 100644
--- a/test/channel_transport/udp_socket_manager_unittest.cc
+++ b/test/channel_transport/udp_socket_manager_unittest.cc
@@ -24,8 +24,8 @@
 namespace test {
 
 TEST(UdpSocketManager, CreateCallsInitAndDoesNotLeakMemory) {
-  WebRtc_Word32 id = 42;
-  WebRtc_UWord8 threads = 1;
+  int32_t id = 42;
+  uint8_t threads = 1;
   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
   // Create is supposed to have called init on the object.
   EXPECT_FALSE(mgr->Init(id, threads))
@@ -36,8 +36,8 @@
 // Creates a socket and adds it to the socket manager, and then removes it
 // before destroying the socket manager.
 TEST(UdpSocketManager, AddAndRemoveSocketDoesNotLeakMemory) {
-  WebRtc_Word32 id = 42;
-  WebRtc_UWord8 threads = 1;
+  int32_t id = 42;
+  uint8_t threads = 1;
   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
   UdpSocketWrapper* socket =
       UdpSocketWrapper::CreateSocket(id,
@@ -61,8 +61,8 @@
 #if defined(_WIN32)
   // It's hard to test an infinite wait, so we don't.
 #else
-  WebRtc_Word32 id = 42;
-  WebRtc_UWord8 threads = 1;
+  int32_t id = 42;
+  uint8_t threads = 1;
   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
   UdpSocketWrapper* unused_socket = UdpSocketWrapper::CreateSocket(
       id,
diff --git a/test/channel_transport/udp_socket_manager_wrapper.cc b/test/channel_transport/udp_socket_manager_wrapper.cc
index e26e649..2a43977 100644
--- a/test/channel_transport/udp_socket_manager_wrapper.cc
+++ b/test/channel_transport/udp_socket_manager_wrapper.cc
@@ -33,8 +33,8 @@
 
 UdpSocketManager* UdpSocketManager::StaticInstance(
     CountOperation count_operation,
-    const WebRtc_Word32 id,
-    WebRtc_UWord8& numOfWorkThreads)
+    const int32_t id,
+    uint8_t& numOfWorkThreads)
 {
     UdpSocketManager* impl =
         GetStaticInstance<UdpSocketManager>(count_operation);
@@ -46,15 +46,15 @@
     return impl;
 }
 
-UdpSocketManager* UdpSocketManager::Create(const WebRtc_Word32 id,
-                                           WebRtc_UWord8& numOfWorkThreads)
+UdpSocketManager* UdpSocketManager::Create(const int32_t id,
+                                           uint8_t& numOfWorkThreads)
 {
     return UdpSocketManager::StaticInstance(kAddRef, id, numOfWorkThreads);
 }
 
 void UdpSocketManager::Return()
 {
-    WebRtc_UWord8 numOfWorkThreads = 0;
+    uint8_t numOfWorkThreads = 0;
     UdpSocketManager::StaticInstance(kRelease, -1,
                                      numOfWorkThreads);
 }
@@ -63,7 +63,7 @@
 {
 }
 
-WebRtc_UWord8 UdpSocketManager::WorkThreads() const
+uint8_t UdpSocketManager::WorkThreads() const
 {
     return _numOfWorkThreads;
 }
diff --git a/test/channel_transport/udp_socket_manager_wrapper.h b/test/channel_transport/udp_socket_manager_wrapper.h
index 2cad1cb..5d5572b 100644
--- a/test/channel_transport/udp_socket_manager_wrapper.h
+++ b/test/channel_transport/udp_socket_manager_wrapper.h
@@ -22,16 +22,15 @@
 class UdpSocketManager
 {
 public:
-    static UdpSocketManager* Create(const WebRtc_Word32 id,
-                                    WebRtc_UWord8& numOfWorkThreads);
+    static UdpSocketManager* Create(const int32_t id,
+                                    uint8_t& numOfWorkThreads);
     static void Return();
 
     // Initializes the socket manager. Returns true if the manager wasn't
     // already initialized.
-    virtual bool Init(WebRtc_Word32 id,
-                      WebRtc_UWord8& numOfWorkThreads) = 0;
+    virtual bool Init(int32_t id, uint8_t& numOfWorkThreads) = 0;
 
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id) = 0;
+    virtual int32_t ChangeUniqueId(const int32_t id) = 0;
 
     // Start listening to sockets that have been registered via the
     // AddSocket(..) API.
@@ -39,7 +38,7 @@
     // Stop listening to sockets.
     virtual bool Stop() = 0;
 
-    virtual WebRtc_UWord8 WorkThreads() const;
+    virtual uint8_t WorkThreads() const;
 
     // Register a socket with the socket manager.
     virtual bool AddSocket(UdpSocketWrapper* s) = 0;
@@ -50,7 +49,7 @@
     UdpSocketManager();
     virtual ~UdpSocketManager() {}
 
-    WebRtc_UWord8 _numOfWorkThreads;
+    uint8_t _numOfWorkThreads;
 
     // Factory method.
     static UdpSocketManager* CreateInstance();
@@ -63,8 +62,8 @@
 
     static UdpSocketManager* StaticInstance(
         CountOperation count_operation,
-        const WebRtc_Word32 id,
-        WebRtc_UWord8& numOfWorkThreads);
+        const int32_t id,
+        uint8_t& numOfWorkThreads);
 };
 
 }  // namespace test
diff --git a/test/channel_transport/udp_socket_posix.cc b/test/channel_transport/udp_socket_posix.cc
index 016526c..eaf36fc 100644
--- a/test/channel_transport/udp_socket_posix.cc
+++ b/test/channel_transport/udp_socket_posix.cc
@@ -26,7 +26,7 @@
 
 namespace webrtc {
 namespace test {
-UdpSocketPosix::UdpSocketPosix(const WebRtc_Word32 id, UdpSocketManager* mgr,
+UdpSocketPosix::UdpSocketPosix(const int32_t id, UdpSocketManager* mgr,
                                bool ipV6Enable)
 {
     WEBRTC_TRACE(kTraceMemory, kTraceTransport, id,
@@ -93,7 +93,7 @@
     }
 }
 
-WebRtc_Word32 UdpSocketPosix::ChangeUniqueId(const WebRtc_Word32 id)
+int32_t UdpSocketPosix::ChangeUniqueId(const int32_t id)
 {
     _id = id;
     return 0;
@@ -121,8 +121,8 @@
     return false;
 }
 
-bool UdpSocketPosix::SetSockopt(WebRtc_Word32 level, WebRtc_Word32 optname,
-                            const WebRtc_Word8* optval, WebRtc_Word32 optlen)
+bool UdpSocketPosix::SetSockopt(int32_t level, int32_t optname,
+                                const int8_t* optval, int32_t optlen)
 {
    if(0 == setsockopt(_socket, level, optname, optval, optlen ))
    {
@@ -135,9 +135,9 @@
    return false;
 }
 
-WebRtc_Word32 UdpSocketPosix::SetTOS(WebRtc_Word32 serviceType)
+int32_t UdpSocketPosix::SetTOS(int32_t serviceType)
 {
-    if (SetSockopt(IPPROTO_IP, IP_TOS ,(WebRtc_Word8*)&serviceType ,4) != 0)
+    if (SetSockopt(IPPROTO_IP, IP_TOS ,(int8_t*)&serviceType ,4) != 0)
     {
         return -1;
     }
@@ -157,8 +157,8 @@
     return false;
 }
 
-WebRtc_Word32 UdpSocketPosix::SendTo(const WebRtc_Word8* buf, WebRtc_Word32 len,
-                                     const SocketAddress& to)
+int32_t UdpSocketPosix::SendTo(const int8_t* buf, int32_t len,
+                               const SocketAddress& to)
 {
     int size = sizeof(sockaddr);
     int retVal = sendto(_socket,buf, len, 0,
@@ -182,7 +182,7 @@
 {
     // replace 2048 with a mcro define and figure out
     // where 2048 comes from
-    WebRtc_Word8 buf[2048];
+    int8_t buf[2048];
     int retval;
     SocketAddress from;
 #if defined(WEBRTC_MAC)
diff --git a/test/channel_transport/udp_socket_posix.h b/test/channel_transport/udp_socket_posix.h
index b77d663..68e0f8e 100644
--- a/test/channel_transport/udp_socket_posix.h
+++ b/test/channel_transport/udp_socket_posix.h
@@ -28,42 +28,42 @@
 class UdpSocketPosix : public UdpSocketWrapper
 {
 public:
-    UdpSocketPosix(const WebRtc_Word32 id, UdpSocketManager* mgr,
+    UdpSocketPosix(const int32_t id, UdpSocketManager* mgr,
                    bool ipV6Enable = false);
 
     virtual ~UdpSocketPosix();
 
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+    virtual int32_t ChangeUniqueId(const int32_t id);
 
     virtual bool SetCallback(CallbackObj obj, IncomingSocketCallback cb);
 
     virtual bool Bind(const SocketAddress& name);
 
-    virtual bool SetSockopt(WebRtc_Word32 level, WebRtc_Word32 optname,
-                            const WebRtc_Word8* optval, WebRtc_Word32 optlen);
+    virtual bool SetSockopt(int32_t level, int32_t optname,
+                            const int8_t* optval, int32_t optlen);
 
-    virtual WebRtc_Word32 SetTOS(const WebRtc_Word32 serviceType);
+    virtual int32_t SetTOS(const int32_t serviceType);
 
-    virtual WebRtc_Word32 SendTo(const WebRtc_Word8* buf, WebRtc_Word32 len,
-                                 const SocketAddress& to);
+    virtual int32_t SendTo(const int8_t* buf, int32_t len,
+                           const SocketAddress& to);
 
     // Deletes socket in addition to closing it.
     // TODO (hellner): make destructor protected.
     virtual void CloseBlocking();
 
     virtual SOCKET GetFd() {return _socket;}
-    virtual WebRtc_Word32 GetError() {return _error;}
+    virtual int32_t GetError() {return _error;}
 
     virtual bool ValidHandle();
 
-    virtual bool SetQos(WebRtc_Word32 /*serviceType*/,
-                        WebRtc_Word32 /*tokenRate*/,
-                        WebRtc_Word32 /*bucketSize*/,
-                        WebRtc_Word32 /*peekBandwith*/,
-                        WebRtc_Word32 /*minPolicedSize*/,
-                        WebRtc_Word32 /*maxSduSize*/,
+    virtual bool SetQos(int32_t /*serviceType*/,
+                        int32_t /*tokenRate*/,
+                        int32_t /*bucketSize*/,
+                        int32_t /*peekBandwith*/,
+                        int32_t /*minPolicedSize*/,
+                        int32_t /*maxSduSize*/,
                         const SocketAddress& /*stRemName*/,
-                        WebRtc_Word32 /*overrideDSCP*/) {return false;}
+                        int32_t /*overrideDSCP*/) {return false;}
 
     bool CleanUp();
     void HasIncoming();
@@ -72,10 +72,10 @@
 private:
     friend class UdpSocketManagerPosix;
 
-    WebRtc_Word32 _id;
+    int32_t _id;
     IncomingSocketCallback _incomingCb;
     CallbackObj _obj;
-    WebRtc_Word32 _error;
+    int32_t _error;
 
     SOCKET _socket;
     UdpSocketManager* _mgr;
diff --git a/test/channel_transport/udp_socket_wrapper.cc b/test/channel_transport/udp_socket_wrapper.cc
index aae43d4..2bd925a 100644
--- a/test/channel_transport/udp_socket_wrapper.cc
+++ b/test/channel_transport/udp_socket_wrapper.cc
@@ -59,7 +59,7 @@
     }
 }
 
-UdpSocketWrapper* UdpSocketWrapper::CreateSocket(const WebRtc_Word32 id,
+UdpSocketWrapper* UdpSocketWrapper::CreateSocket(const int32_t id,
                                                  UdpSocketManager* mgr,
                                                  CallbackObj obj,
                                                  IncomingSocketCallback cb,
@@ -77,7 +77,7 @@
     {
         WSADATA wsaData;
         WORD wVersionRequested = MAKEWORD( 2, 2 );
-        WebRtc_Word32 err = WSAStartup( wVersionRequested, &wsaData);
+        int32_t err = WSAStartup( wVersionRequested, &wsaData);
         if (err != 0)
         {
             WEBRTC_TRACE(
diff --git a/test/channel_transport/udp_socket_wrapper.h b/test/channel_transport/udp_socket_wrapper.h
index 39880b7..a0bb4c0 100644
--- a/test/channel_transport/udp_socket_wrapper.h
+++ b/test/channel_transport/udp_socket_wrapper.h
@@ -37,14 +37,13 @@
 #endif
 
 typedef void* CallbackObj;
-typedef void(*IncomingSocketCallback)(CallbackObj obj, const WebRtc_Word8* buf,
-                                      WebRtc_Word32 len,
-                                      const SocketAddress* from);
+typedef void(*IncomingSocketCallback)(CallbackObj obj, const int8_t* buf,
+                                      int32_t len, const SocketAddress* from);
 
 class UdpSocketWrapper
 {
 public:
-    static UdpSocketWrapper* CreateSocket(const WebRtc_Word32 id,
+    static UdpSocketWrapper* CreateSocket(const int32_t id,
                                           UdpSocketManager* mgr,
                                           CallbackObj obj,
                                           IncomingSocketCallback cb,
@@ -52,7 +51,7 @@
                                           bool disableGQOS = false);
 
     // Set the unique identifier of this class to id.
-    virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id) = 0;
+    virtual int32_t ChangeUniqueId(const int32_t id) = 0;
 
     // Register cb for receiving callbacks when there are incoming packets.
     // Register obj so that it will be passed in calls to cb.
@@ -63,7 +62,7 @@
 
     // Start receiving UDP data.
     virtual bool StartReceiving();
-    virtual inline bool StartReceiving(const WebRtc_UWord32 /*receiveBuffers*/)
+    virtual inline bool StartReceiving(const uint32_t /*receiveBuffers*/)
     {return StartReceiving();}
     // Stop receiving UDP data.
     virtual bool StopReceiving();
@@ -71,19 +70,18 @@
     virtual bool ValidHandle() = 0;
 
     // Set socket options.
-    virtual bool SetSockopt(WebRtc_Word32 level, WebRtc_Word32 optname,
-                            const WebRtc_Word8* optval,
-                            WebRtc_Word32 optlen) = 0;
+    virtual bool SetSockopt(int32_t level, int32_t optname,
+                            const int8_t* optval, int32_t optlen) = 0;
 
     // Set TOS for outgoing packets.
-    virtual WebRtc_Word32 SetTOS(const WebRtc_Word32 serviceType) = 0;
+    virtual int32_t SetTOS(const int32_t serviceType) = 0;
 
     // Set 802.1Q PCP field (802.1p) for outgoing VLAN traffic.
-    virtual WebRtc_Word32 SetPCP(const WebRtc_Word32 /*pcp*/) {return -1;}
+    virtual int32_t SetPCP(const int32_t /*pcp*/) {return -1;}
 
     // Send buf of length len to the address specified by to.
-    virtual WebRtc_Word32 SendTo(const WebRtc_Word8* buf, WebRtc_Word32 len,
-                                 const SocketAddress& to) = 0;
+    virtual int32_t SendTo(const int8_t* buf, int32_t len,
+                           const SocketAddress& to) = 0;
 
     virtual void SetEventToNull();
 
@@ -91,13 +89,13 @@
     virtual void CloseBlocking() {}
 
     // tokenRate is in bit/s. peakBandwidt is in byte/s
-    virtual bool SetQos(WebRtc_Word32 serviceType, WebRtc_Word32 tokenRate,
-                        WebRtc_Word32 bucketSize, WebRtc_Word32 peekBandwith,
-                        WebRtc_Word32 minPolicedSize, WebRtc_Word32 maxSduSize,
+    virtual bool SetQos(int32_t serviceType, int32_t tokenRate,
+                        int32_t bucketSize, int32_t peekBandwith,
+                        int32_t minPolicedSize, int32_t maxSduSize,
                         const SocketAddress &stRemName,
-                        WebRtc_Word32 overrideDSCP = 0) = 0;
+                        int32_t overrideDSCP = 0) = 0;
 
-    virtual WebRtc_UWord32 ReceiveBuffers() {return 0;};
+    virtual uint32_t ReceiveBuffers() {return 0;};
 
 protected:
     // Creating the socket is done via CreateSocket().
diff --git a/test/channel_transport/udp_socket_wrapper_unittest.cc b/test/channel_transport/udp_socket_wrapper_unittest.cc
index 759a222..22757d1 100644
--- a/test/channel_transport/udp_socket_wrapper_unittest.cc
+++ b/test/channel_transport/udp_socket_wrapper_unittest.cc
@@ -38,8 +38,8 @@
   void Destroy() {
     delete this;
   }
-  MOCK_METHOD2(Init, bool(WebRtc_Word32, WebRtc_UWord8&));
-  MOCK_METHOD1(ChangeUniqueId, WebRtc_Word32(const WebRtc_Word32));
+  MOCK_METHOD2(Init, bool(int32_t, uint8_t&));
+  MOCK_METHOD1(ChangeUniqueId, int32_t(const int32_t));
   MOCK_METHOD0(Start, bool());
   MOCK_METHOD0(Stop, bool());
   MOCK_METHOD1(AddSocket, bool(UdpSocketWrapper*));
@@ -49,9 +49,9 @@
 // Creates a socket using the static constructor method and verifies that
 // it's added to the socket manager.
 TEST(UdpSocketWrapper, CreateSocket) {
-  WebRtc_Word32 id = 42;
+  int32_t id = 42;
   // We can't test deletion of sockets without a socket manager.
-  WebRtc_UWord8 threads = 1;
+  uint8_t threads = 1;
   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
   UdpSocketWrapper* socket =
       UdpSocketWrapper::CreateSocket(id,
diff --git a/test/channel_transport/udp_transport.h b/test/channel_transport/udp_transport.h
index 75859c9..d45326f 100644
--- a/test/channel_transport/udp_transport.h
+++ b/test/channel_transport/udp_transport.h
@@ -22,9 +22,9 @@
  */
 
 #define SS_MAXSIZE 128
-#define SS_ALIGNSIZE (sizeof (WebRtc_UWord64))
-#define SS_PAD1SIZE  (SS_ALIGNSIZE - sizeof(WebRtc_Word16))
-#define SS_PAD2SIZE  (SS_MAXSIZE - (sizeof(WebRtc_Word16) + SS_PAD1SIZE +\
+#define SS_ALIGNSIZE (sizeof (uint64_t))
+#define SS_PAD1SIZE  (SS_ALIGNSIZE - sizeof(int16_t))
+#define SS_PAD2SIZE  (SS_MAXSIZE - (sizeof(int16_t) + SS_PAD1SIZE +\
                                     SS_ALIGNSIZE))
 
 // BSD requires use of HAVE_STRUCT_SOCKADDR_SA_LEN
@@ -34,53 +34,53 @@
 struct SocketAddressIn {
   // sin_family should be either AF_INET (IPv4) or AF_INET6 (IPv6)
 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
-  WebRtc_Word8      sin_length;
-  WebRtc_Word8      sin_family;
+  int8_t      sin_length;
+  int8_t      sin_family;
 #else
-  WebRtc_Word16     sin_family;
+  int16_t     sin_family;
 #endif
-  WebRtc_UWord16    sin_port;
-  WebRtc_UWord32    sin_addr;
-  WebRtc_Word8      sin_zero[8];
+  uint16_t    sin_port;
+  uint32_t    sin_addr;
+  int8_t      sin_zero[8];
 };
 
 struct Version6InAddress {
   union {
-    WebRtc_UWord8     _s6_u8[16];
-    WebRtc_UWord32    _s6_u32[4];
-    WebRtc_UWord64    _s6_u64[2];
+    uint8_t     _s6_u8[16];
+    uint32_t    _s6_u32[4];
+    uint64_t    _s6_u64[2];
   } Version6AddressUnion;
 };
 
 struct SocketAddressInVersion6 {
   // sin_family should be either AF_INET (IPv4) or AF_INET6 (IPv6)
 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
-  WebRtc_Word8      sin_length;
-  WebRtc_Word8      sin_family;
+  int8_t      sin_length;
+  int8_t      sin_family;
 #else
-  WebRtc_Word16     sin_family;
+  int16_t     sin_family;
 #endif
   // Transport layer port number.
-  WebRtc_UWord16 sin6_port;
+  uint16_t sin6_port;
   // IPv6 traffic class and flow info or ip4 address.
-  WebRtc_UWord32 sin6_flowinfo;
+  uint32_t sin6_flowinfo;
   // IPv6 address
   struct Version6InAddress sin6_addr;
   // Set of interfaces for a scope.
-  WebRtc_UWord32 sin6_scope_id;
+  uint32_t sin6_scope_id;
 };
 
 struct SocketAddressStorage {
   // sin_family should be either AF_INET (IPv4) or AF_INET6 (IPv6)
 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
-  WebRtc_Word8   sin_length;
-  WebRtc_Word8   sin_family;
+  int8_t   sin_length;
+  int8_t   sin_family;
 #else
-  WebRtc_Word16  sin_family;
+  int16_t  sin_family;
 #endif
-  WebRtc_Word8   __ss_pad1[SS_PAD1SIZE];
-  WebRtc_UWord64 __ss_align;
-  WebRtc_Word8   __ss_pad2[SS_PAD2SIZE];
+  int8_t   __ss_pad1[SS_PAD1SIZE];
+  uint64_t __ss_align;
+  int8_t   __ss_pad2[SS_PAD2SIZE];
 };
 
 struct SocketAddress {
@@ -96,15 +96,15 @@
  public:
   virtual ~UdpTransportData()  {};
 
-  virtual void IncomingRTPPacket(const WebRtc_Word8* incomingRtpPacket,
-                                 const WebRtc_Word32 rtpPacketLength,
+  virtual void IncomingRTPPacket(const int8_t* incomingRtpPacket,
+                                 const int32_t rtpPacketLength,
                                  const char* fromIP,
-                                 const WebRtc_UWord16 fromPort) = 0;
+                                 const uint16_t fromPort) = 0;
 
-  virtual void IncomingRTCPPacket(const WebRtc_Word8* incomingRtcpPacket,
-                                  const WebRtc_Word32 rtcpPacketLength,
+  virtual void IncomingRTCPPacket(const int8_t* incomingRtcpPacket,
+                                  const int32_t rtcpPacketLength,
                                   const char* fromIP,
-                                  const WebRtc_UWord16 fromPort) = 0;
+                                  const uint16_t fromPort) = 0;
 };
 
 class UdpTransport : public Transport {
@@ -137,140 +137,134 @@
     };
 
     // Factory method. Constructor disabled.
-    static UdpTransport* Create(const WebRtc_Word32 id,
-                                WebRtc_UWord8& numSocketThreads);
+    static UdpTransport* Create(const int32_t id, uint8_t& numSocketThreads);
     static void Destroy(UdpTransport* module);
 
     // Prepares the class for sending RTP packets to ipAddr:rtpPort and RTCP
     // packets to ipAddr:rtpPort+1 if rtcpPort is zero. Otherwise to
     // ipAddr:rtcpPort.
-    virtual WebRtc_Word32 InitializeSendSockets(
-        const char* ipAddr,
-        const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0) = 0;
+    virtual int32_t InitializeSendSockets(const char* ipAddr,
+                                          const uint16_t rtpPort,
+                                          const uint16_t rtcpPort = 0) = 0;
 
     // Register packetCallback for receiving incoming packets. Set the local
     // RTP port to rtpPort. Bind local IP address to ipAddr. If ipAddr is NULL
     // bind to local IP ANY. Set the local rtcp port to rtcpPort or rtpPort + 1
     // if rtcpPort is 0.
-    virtual WebRtc_Word32 InitializeReceiveSockets(
+    virtual int32_t InitializeReceiveSockets(
         UdpTransportData* const packetCallback,
-        const WebRtc_UWord16 rtpPort,
+        const uint16_t rtpPort,
         const char* ipAddr = NULL,
         const char* multicastIpAddr = NULL,
-        const WebRtc_UWord16 rtcpPort = 0) = 0;
+        const uint16_t rtcpPort = 0) = 0;
 
     // Set local RTP port to rtpPort and RTCP port to rtcpPort or rtpPort + 1 if
     // rtcpPort is 0. These ports will be used for sending instead of the local
     // ports set by InitializeReceiveSockets(..).
-    virtual WebRtc_Word32 InitializeSourcePorts(
-        const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0) = 0;
+    virtual int32_t InitializeSourcePorts(const uint16_t rtpPort,
+                                          const uint16_t rtcpPort = 0) = 0;
 
     // Retrieve local ports used for sending if other than the ports specified
     // by InitializeReceiveSockets(..). rtpPort is set to the RTP port.
     // rtcpPort is set to the RTCP port.
-    virtual WebRtc_Word32 SourcePorts(WebRtc_UWord16& rtpPort,
-                                      WebRtc_UWord16& rtcpPort) const = 0;
+    virtual int32_t SourcePorts(uint16_t& rtpPort,
+                                uint16_t& rtcpPort) const = 0;
 
     // Set ipAddr to the IP address that is currently being listened on. rtpPort
     // to the RTP port listened to. rtcpPort to the RTCP port listened on.
     // multicastIpAddr to the multicast IP address group joined (the address
     // is NULL terminated).
-    virtual WebRtc_Word32 ReceiveSocketInformation(
+    virtual int32_t ReceiveSocketInformation(
         char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort,
+        uint16_t& rtpPort,
+        uint16_t& rtcpPort,
         char multicastIpAddr[kIpAddressVersion6Length]) const = 0;
 
     // Set ipAddr to the IP address being sent from. rtpPort to the local RTP
     // port used for sending and rtcpPort to the local RTCP port used for
     // sending.
-    virtual WebRtc_Word32 SendSocketInformation(
-        char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort) const = 0;
+    virtual int32_t SendSocketInformation(char ipAddr[kIpAddressVersion6Length],
+                                          uint16_t& rtpPort,
+                                          uint16_t& rtcpPort) const = 0;
 
     // Put the IP address, RTP port and RTCP port from the last received packet
     // into ipAddr, rtpPort and rtcpPort respectively.
-    virtual WebRtc_Word32 RemoteSocketInformation(
+    virtual int32_t RemoteSocketInformation(
         char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort) const = 0;
+        uint16_t& rtpPort,
+        uint16_t& rtcpPort) const = 0;
 
     // Enable/disable quality of service if QoS is true or false respectively.
     // Set the type of service to serviceType, max bitrate in kbit/s to
     // maxBitrate and override DSCP if overrideDSCP is not 0.
     // Note: Must be called both InitializeSendSockets() and
     // InitializeReceiveSockets() has been called.
-    virtual WebRtc_Word32 SetQoS(const bool QoS,
-                                 const WebRtc_Word32 serviceType,
-                                 const WebRtc_UWord32 maxBitrate = 0,
-                                 const WebRtc_Word32 overrideDSCP = 0,
-                                 const bool audio = false) = 0;
+    virtual int32_t SetQoS(const bool QoS,
+                           const int32_t serviceType,
+                           const uint32_t maxBitrate = 0,
+                           const int32_t overrideDSCP = 0,
+                           const bool audio = false) = 0;
 
     // Set QoS to true if quality of service has been turned on. If QoS is true,
     // also set serviceType to type of service and overrideDSCP to override
     // DSCP.
-    virtual WebRtc_Word32 QoS(bool& QoS,
-                              WebRtc_Word32& serviceType,
-                              WebRtc_Word32& overrideDSCP) const = 0;
+    virtual int32_t QoS(bool& QoS,
+                        int32_t& serviceType,
+                        int32_t& overrideDSCP) const = 0;
 
     // Set type of service.
-    virtual WebRtc_Word32 SetToS(const WebRtc_Word32 DSCP,
-                                 const bool useSetSockOpt = false) = 0;
+    virtual int32_t SetToS(const int32_t DSCP,
+                           const bool useSetSockOpt = false) = 0;
 
     // Get type of service configuration.
-    virtual WebRtc_Word32 ToS(WebRtc_Word32& DSCP,
-                              bool& useSetSockOpt) const = 0;
+    virtual int32_t ToS(int32_t& DSCP,
+                        bool& useSetSockOpt) const = 0;
 
     // Set Priority Code Point (IEEE 802.1Q)
     // Note: for Linux this function will set the priority for the socket,
     // which then can be mapped to a PCP value with vconfig.
-    virtual WebRtc_Word32 SetPCP(const WebRtc_Word32 PCP) = 0;
+    virtual int32_t SetPCP(const int32_t PCP) = 0;
 
     // Get Priority Code Point
-    virtual WebRtc_Word32 PCP(WebRtc_Word32& PCP) const = 0;
+    virtual int32_t PCP(int32_t& PCP) const = 0;
 
     // Enable IPv6.
     // Note: this API must be called before any call to
     // InitializeReceiveSockets() or InitializeSendSockets(). It is not
     // possible to go back to IPv4 (default) after this call.
-    virtual WebRtc_Word32 EnableIpV6() = 0;
+    virtual int32_t EnableIpV6() = 0;
 
     // Return true if IPv6 has been enabled.
     virtual bool IpV6Enabled() const = 0;
 
     // Only allow packets received from filterIPAddress to be processed.
     // Note: must be called after EnableIPv6(), if IPv6 is used.
-    virtual WebRtc_Word32 SetFilterIP(
+    virtual int32_t SetFilterIP(
         const char filterIPAddress[kIpAddressVersion6Length]) = 0;
 
     // Write the filter IP address (if any) to filterIPAddress.
-    virtual WebRtc_Word32 FilterIP(
+    virtual int32_t FilterIP(
         char filterIPAddress[kIpAddressVersion6Length]) const = 0;
 
     // Only allow RTP packets from rtpFilterPort and RTCP packets from
     // rtcpFilterPort be processed.
     // Note: must be called after EnableIPv6(), if IPv6 is used.
-    virtual WebRtc_Word32 SetFilterPorts(
-        const WebRtc_UWord16 rtpFilterPort,
-        const WebRtc_UWord16 rtcpFilterPort) = 0;
+    virtual int32_t SetFilterPorts(const uint16_t rtpFilterPort,
+                                   const uint16_t rtcpFilterPort) = 0;
 
     // Set rtpFilterPort to the filter RTP port and rtcpFilterPort to the
     // filter RTCP port (if filtering based on port is enabled).
-    virtual WebRtc_Word32 FilterPorts(WebRtc_UWord16& rtpFilterPort,
-                                      WebRtc_UWord16& rtcpFilterPort) const = 0;
+    virtual int32_t FilterPorts(uint16_t& rtpFilterPort,
+                                uint16_t& rtcpFilterPort) const = 0;
 
     // Set the number of buffers that the socket implementation may use for
     // receiving packets to numberOfSocketBuffers. I.e. the number of packets
     // that can be received in parallell.
     // Note: this API only has effect on Windows.
-    virtual WebRtc_Word32 StartReceiving(
-        const WebRtc_UWord32 numberOfSocketBuffers) = 0;
+    virtual int32_t StartReceiving(const uint32_t numberOfSocketBuffers) = 0;
 
     // Stop receive incoming packets.
-    virtual WebRtc_Word32 StopReceiving() = 0;
+    virtual int32_t StopReceiving() = 0;
 
     // Return true incoming packets are received.
     virtual bool Receiving() const = 0;
@@ -288,79 +282,79 @@
     // with InitializeSendSockets(..) is used if portnr is 0. The same IP
     // address as set with InitializeSendSockets(..) is used if ip is NULL.
     // If isRTCP is true the port used will be the RTCP port.
-    virtual WebRtc_Word32 SendRaw(const WebRtc_Word8* data,
-                                  WebRtc_UWord32 length,
-                                  WebRtc_Word32 isRTCP,
-                                  WebRtc_UWord16 portnr = 0,
-                                  const char* ip = NULL) = 0;
+    virtual int32_t SendRaw(const int8_t* data,
+                            uint32_t length,
+                            int32_t isRTCP,
+                            uint16_t portnr = 0,
+                            const char* ip = NULL) = 0;
 
     // Send RTP data with size length to the address specified by to.
-    virtual WebRtc_Word32 SendRTPPacketTo(const WebRtc_Word8* data,
-                                          WebRtc_UWord32 length,
-                                          const SocketAddress& to) = 0;
+    virtual int32_t SendRTPPacketTo(const int8_t* data,
+                                    uint32_t length,
+                                    const SocketAddress& to) = 0;
 
 
     // Send RTCP data with size length to the address specified by to.
-    virtual WebRtc_Word32 SendRTCPPacketTo(const WebRtc_Word8* data,
-                                           WebRtc_UWord32 length,
-                                           const SocketAddress& to) = 0;
+    virtual int32_t SendRTCPPacketTo(const int8_t* data,
+                                     uint32_t length,
+                                     const SocketAddress& to) = 0;
 
     // Send RTP data with size length to ip:rtpPort where ip is the ip set by
     // the InitializeSendSockets(..) call.
-    virtual WebRtc_Word32 SendRTPPacketTo(const WebRtc_Word8* data,
-                                          WebRtc_UWord32 length,
-                                          WebRtc_UWord16 rtpPort) = 0;
+    virtual int32_t SendRTPPacketTo(const int8_t* data,
+                                    uint32_t length,
+                                    uint16_t rtpPort) = 0;
 
 
     // Send RTCP data with size length to ip:rtcpPort where ip is the ip set by
     // the InitializeSendSockets(..) call.
-    virtual WebRtc_Word32 SendRTCPPacketTo(const WebRtc_Word8* data,
-                                           WebRtc_UWord32 length,
-                                           WebRtc_UWord16 rtcpPort) = 0;
+    virtual int32_t SendRTCPPacketTo(const int8_t* data,
+                                     uint32_t length,
+                                     uint16_t rtcpPort) = 0;
 
     // Set the IP address to which packets are sent to ipaddr.
-    virtual WebRtc_Word32 SetSendIP(
+    virtual int32_t SetSendIP(
         const char ipaddr[kIpAddressVersion6Length]) = 0;
 
     // Set the send RTP and RTCP port to rtpPort and rtcpPort respectively.
-    virtual WebRtc_Word32 SetSendPorts(const WebRtc_UWord16 rtpPort,
-                                       const WebRtc_UWord16 rtcpPort = 0) = 0;
+    virtual int32_t SetSendPorts(const uint16_t rtpPort,
+                                 const uint16_t rtcpPort = 0) = 0;
 
     // Retreive the last registered error code.
     virtual ErrorCode LastError() const = 0;
 
     // Put the local IPv4 address in localIP.
     // Note: this API is for IPv4 only.
-    static WebRtc_Word32 LocalHostAddress(WebRtc_UWord32& localIP);
+    static int32_t LocalHostAddress(uint32_t& localIP);
 
     // Put the local IP6 address in localIP.
     // Note: this API is for IPv6 only.
-    static WebRtc_Word32 LocalHostAddressIPV6(char localIP[16]);
+    static int32_t LocalHostAddressIPV6(char localIP[16]);
 
     // Return a copy of hostOrder (host order) in network order.
-    static WebRtc_UWord16 Htons(WebRtc_UWord16 hostOrder);
+    static uint16_t Htons(uint16_t hostOrder);
 
     // Return a copy of hostOrder (host order) in network order.
-    static WebRtc_UWord32 Htonl(WebRtc_UWord32 hostOrder);
+    static uint32_t Htonl(uint32_t hostOrder);
 
     // Return IPv4 address in ip as 32 bit integer.
-    static WebRtc_UWord32 InetAddrIPV4(const char* ip);
+    static uint32_t InetAddrIPV4(const char* ip);
 
     // Convert the character string src into a network address structure in
     // the af address family and put it in dst.
     // Note: same functionality as inet_pton(..)
-    static WebRtc_Word32 InetPresentationToNumeric(WebRtc_Word32 af,
-                                                   const char* src,
-                                                   void* dst);
+    static int32_t InetPresentationToNumeric(int32_t af,
+                                             const char* src,
+                                             void* dst);
 
     // Set ip and sourcePort according to address. As input parameter ipSize
     // is the length of ip. As output parameter it's the number of characters
     // written to ip (not counting the '\0' character).
     // Note: this API is only implemented on Windows and Linux.
-    static WebRtc_Word32 IPAddress(const SocketAddress& address,
-                                   char* ip,
-                                   WebRtc_UWord32& ipSize,
-                                   WebRtc_UWord16& sourcePort);
+    static int32_t IPAddress(const SocketAddress& address,
+                             char* ip,
+                             uint32_t& ipSize,
+                             uint16_t& sourcePort);
 
     // Set ip and sourcePort according to address. As input parameter ipSize
     // is the length of ip. As output parameter it's the number of characters
@@ -369,10 +363,10 @@
     // Additional note: this API caches the address of the last call to it. If
     // address is likley to be the same for multiple calls it may be beneficial
     // to call this API instead of IPAddress().
-    virtual WebRtc_Word32 IPAddressCached(const SocketAddress& address,
-                                          char* ip,
-                                          WebRtc_UWord32& ipSize,
-                                          WebRtc_UWord16& sourcePort) = 0;
+    virtual int32_t IPAddressCached(const SocketAddress& address,
+                                    char* ip,
+                                    uint32_t& ipSize,
+                                    uint16_t& sourcePort) = 0;
 
     // Return true if ipaddr is a valid IP address.
     // If ipV6 is false ipaddr is interpreted as an IPv4 address otherwise it
diff --git a/test/channel_transport/udp_transport_impl.cc b/test/channel_transport/udp_transport_impl.cc
index 3c0419a..ec73200 100644
--- a/test/channel_transport/udp_transport_impl.cc
+++ b/test/channel_transport/udp_transport_impl.cc
@@ -68,7 +68,7 @@
 
 class SocketFactory : public UdpTransportImpl::SocketFactoryInterface {
  public:
-  UdpSocketWrapper* CreateSocket(const WebRtc_Word32 id,
+  UdpSocketWrapper* CreateSocket(const int32_t id,
                                  UdpSocketManager* mgr,
                                  CallbackObj obj,
                                  IncomingSocketCallback cb,
@@ -82,8 +82,8 @@
 // Creates an UdpTransport using the definition of SocketFactory above,
 // and passes (creating if needed) a pointer to the static singleton
 // UdpSocketManager.
-UdpTransport* UdpTransport::Create(const WebRtc_Word32 id,
-                                   WebRtc_UWord8& numSocketThreads)
+UdpTransport* UdpTransport::Create(const int32_t id,
+                                   uint8_t& numSocketThreads)
 {
   return new UdpTransportImpl(id,
                               new SocketFactory(),
@@ -102,7 +102,7 @@
     }
 }
 
-UdpTransportImpl::UdpTransportImpl(const WebRtc_Word32 id,
+UdpTransportImpl::UdpTransportImpl(const int32_t id,
                                    SocketFactoryInterface* maker,
                                    UdpSocketManager* socket_manager)
     : _id(id),
@@ -191,22 +191,22 @@
 }
 
 void UdpTransportImpl::GetCachedAddress(char* ip,
-                                        WebRtc_UWord32& ipSize,
-                                        WebRtc_UWord16& sourcePort)
+                                        uint32_t& ipSize,
+                                        uint16_t& sourcePort)
 {
-    const WebRtc_UWord32 originalIPSize = ipSize;
+    const uint32_t originalIPSize = ipSize;
     // If the incoming string is too small, fill it as much as there is room
     // for. Make sure that there is room for the '\0' character.
     ipSize = (ipSize - 1 < _previousIPSize) ? ipSize - 1 : _previousIPSize;
-    memcpy(ip,_previousIP,sizeof(WebRtc_Word8)*(ipSize + 1));
+    memcpy(ip,_previousIP,sizeof(int8_t)*(ipSize + 1));
     ip[originalIPSize - 1] = '\0';
     sourcePort = _previousSourcePort;
 }
 
-WebRtc_Word32 UdpTransportImpl::IPAddressCached(const SocketAddress& address,
-                                                char* ip,
-                                                WebRtc_UWord32& ipSize,
-                                                WebRtc_UWord16& sourcePort)
+int32_t UdpTransportImpl::IPAddressCached(const SocketAddress& address,
+                                          char* ip,
+                                          uint32_t& ipSize,
+                                          uint16_t& sourcePort)
 {
     {
         ReadLockScoped rl(*_cachLock);
@@ -231,12 +231,12 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::InitializeReceiveSockets(
+int32_t UdpTransportImpl::InitializeReceiveSockets(
     UdpTransportData* const packetCallback,
-    const WebRtc_UWord16 portnr,
+    const uint16_t portnr,
     const char* ip,
     const char* multicastIpAddr,
-    const WebRtc_UWord16 rtcpPort)
+    const uint16_t rtcpPort)
 {
     {
         CriticalSectionScoped cs(_critPacketCallback);
@@ -359,10 +359,10 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::ReceiveSocketInformation(
+int32_t UdpTransportImpl::ReceiveSocketInformation(
     char ipAddr[kIpAddressVersion6Length],
-    WebRtc_UWord16& rtpPort,
-    WebRtc_UWord16& rtcpPort,
+    uint16_t& rtpPort,
+    uint16_t& rtcpPort,
     char multicastIpAddr[kIpAddressVersion6Length]) const
 {
     CriticalSectionScoped cs(_crit);
@@ -383,10 +383,10 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SendSocketInformation(
+int32_t UdpTransportImpl::SendSocketInformation(
     char ipAddr[kIpAddressVersion6Length],
-    WebRtc_UWord16& rtpPort,
-    WebRtc_UWord16& rtcpPort) const
+    uint16_t& rtpPort,
+    uint16_t& rtcpPort) const
 {
     CriticalSectionScoped cs(_crit);
     rtpPort = _destPort;
@@ -397,10 +397,10 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::RemoteSocketInformation(
+int32_t UdpTransportImpl::RemoteSocketInformation(
     char ipAddr[kIpAddressVersion6Length],
-    WebRtc_UWord16& rtpPort,
-    WebRtc_UWord16& rtcpPort) const
+    uint16_t& rtpPort,
+    uint16_t& rtcpPort) const
 {
     CriticalSectionScoped cs(_crit);
     rtpPort = _fromPort;
@@ -414,9 +414,9 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::FilterPorts(
-    WebRtc_UWord16& rtpFilterPort,
-    WebRtc_UWord16& rtcpFilterPort) const
+int32_t UdpTransportImpl::FilterPorts(
+    uint16_t& rtpFilterPort,
+    uint16_t& rtcpFilterPort) const
 {
     CriticalSectionScoped cs(_critFilter);
     rtpFilterPort = _rtpFilterPort;
@@ -424,9 +424,9 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetQoS(bool QoS, WebRtc_Word32 serviceType,
-                                       WebRtc_UWord32 maxBitrate,
-                                       WebRtc_Word32 overrideDSCP, bool audio)
+int32_t UdpTransportImpl::SetQoS(bool QoS, int32_t serviceType,
+                                 uint32_t maxBitrate,
+                                 int32_t overrideDSCP, bool audio)
 {
     if(QoS)
     {
@@ -437,9 +437,9 @@
     }
 }
 
-WebRtc_Word32 UdpTransportImpl::EnableQoS(WebRtc_Word32 serviceType,
-                                          bool audio, WebRtc_UWord32 maxBitrate,
-                                          WebRtc_Word32 overrideDSCP)
+int32_t UdpTransportImpl::EnableQoS(int32_t serviceType,
+                                    bool audio, uint32_t maxBitrate,
+                                    int32_t overrideDSCP)
 {
     if (_ipV6Enabled)
     {
@@ -524,10 +524,10 @@
 
     // Minimum packet size in bytes for which the requested quality of service
     // will be provided. The smallest RTP header is 12 byte.
-    const WebRtc_Word32 min_policed_size = 12;
+    const int32_t min_policed_size = 12;
     // Max SDU, maximum packet size permitted or used in the traffic flow, in
     // bytes.
-    const WebRtc_Word32 max_sdu_size = 1500;
+    const int32_t max_sdu_size = 1500;
 
     // Enable QoS for RTP sockets.
     if(maxBitrate)
@@ -544,13 +544,13 @@
                          "Enable QOS for audio with max bitrate:%d",
                          maxBitrate);
 
-            const WebRtc_Word32 token_rate = maxBitrate*125;
+            const int32_t token_rate = maxBitrate*125;
             // The largest audio packets are 60ms frames. This is a fraction
             // more than 16 packets/second. These 16 frames are sent, at max,
             // at a bitrate of maxBitrate*125 -> 1 frame is maxBitrate*125/16 ~
             // maxBitrate * 8.
-            const WebRtc_Word32 bucket_size = maxBitrate * 8;
-            const WebRtc_Word32 peek_bandwith =  maxBitrate * 125;
+            const int32_t bucket_size = maxBitrate * 8;
+            const int32_t peek_bandwith =  maxBitrate * 125;
             if (!rtpSock->SetQos(serviceType, token_rate, bucket_size,
                                  peek_bandwith, min_policed_size,
                                  max_sdu_size, _remoteRTPAddr, overrideDSCP))
@@ -568,14 +568,14 @@
 
             // Allow for a token rate that is twice that of the maximum bitrate
             // (in bytes).
-            const WebRtc_Word32 token_rate = maxBitrate*250;
+            const int32_t token_rate = maxBitrate*250;
             // largest average frame size (key frame size). Assuming that a
             // keyframe is 25% of the bitrate during the second its sent
             // Assume that a key frame is 25% of the bitrate the second that it
             // is sent. The largest frame size is then maxBitrate* 125 * 0.25 ~
             // 31.
-            const WebRtc_Word32 bucket_size = maxBitrate*31;
-            const WebRtc_Word32 peek_bandwith = maxBitrate*125;
+            const int32_t bucket_size = maxBitrate*31;
+            const int32_t peek_bandwith = maxBitrate*125;
             if (!rtpSock->SetQos(serviceType, token_rate, bucket_size,
                                 peek_bandwith, min_policed_size, max_sdu_size,
                                 _remoteRTPAddr, overrideDSCP))
@@ -593,9 +593,9 @@
                      "Enable QOS for audio with default max bitrate");
 
         // Let max bitrate be 240kbit/s.
-        const WebRtc_Word32 token_rate = 30000;
-        const WebRtc_Word32 bucket_size = 2000;
-        const WebRtc_Word32 peek_bandwith = 30000;
+        const int32_t token_rate = 30000;
+        const int32_t bucket_size = 2000;
+        const int32_t peek_bandwith = 30000;
         if (!rtpSock->SetQos(serviceType, token_rate, bucket_size,
                              peek_bandwith, min_policed_size, max_sdu_size,
                              _remoteRTPAddr, overrideDSCP))
@@ -612,9 +612,9 @@
                      "Enable QOS for video with default max bitrate");
 
         // Let max bitrate be 10mbit/s.
-        const WebRtc_Word32 token_rate = 128000*10;
-        const WebRtc_Word32 bucket_size = 32000;
-        const WebRtc_Word32 peek_bandwith = 256000;
+        const int32_t token_rate = 128000*10;
+        const int32_t bucket_size = 32000;
+        const int32_t peek_bandwith = 256000;
         if (!rtpSock->SetQos(serviceType, token_rate, bucket_size,
                              peek_bandwith, min_policed_size, max_sdu_size,
                              _remoteRTPAddr, overrideDSCP))
@@ -630,9 +630,9 @@
     // TODO (hellner): shouldn't RTCP be based on 5% of the maximum bandwidth?
     if(audio)
     {
-        const WebRtc_Word32 token_rate = 200;
-        const WebRtc_Word32 bucket_size = 200;
-        const WebRtc_Word32 peek_bandwith = 400;
+        const int32_t token_rate = 200;
+        const int32_t bucket_size = 200;
+        const int32_t peek_bandwith = 400;
         if (!rtcpSock->SetQos(serviceType, token_rate, bucket_size,
                               peek_bandwith, min_policed_size, max_sdu_size,
                               _remoteRTCPAddr, overrideDSCP))
@@ -643,9 +643,9 @@
         }
     }else
     {
-        const WebRtc_Word32 token_rate = 5000;
-        const WebRtc_Word32 bucket_size = 100;
-        const WebRtc_Word32 peek_bandwith = 10000;
+        const int32_t token_rate = 5000;
+        const int32_t bucket_size = 100;
+        const int32_t peek_bandwith = 10000;
         if (!rtcpSock->SetQos(serviceType, token_rate, bucket_size,
                               peek_bandwith, min_policed_size, max_sdu_size,
                             _remoteRTCPAddr, _overrideDSCP))
@@ -662,7 +662,7 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::DisableQoS()
+int32_t UdpTransportImpl::DisableQoS()
 {
     if(_qos == false)
     {
@@ -695,8 +695,8 @@
         return -1;
     }
 
-    const WebRtc_Word32 service_type = 0;   // = SERVICETYPE_NOTRAFFIC
-    const WebRtc_Word32 not_specified = -1;
+    const int32_t service_type = 0;   // = SERVICETYPE_NOTRAFFIC
+    const int32_t not_specified = -1;
     if (!rtpSock->SetQos(service_type, not_specified, not_specified,
                          not_specified, not_specified, not_specified,
                          _remoteRTPAddr, _overrideDSCP))
@@ -714,8 +714,8 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::QoS(bool& QoS, WebRtc_Word32& serviceType,
-                                    WebRtc_Word32& overrideDSCP) const
+int32_t UdpTransportImpl::QoS(bool& QoS, int32_t& serviceType,
+                              int32_t& overrideDSCP) const
 {
     CriticalSectionScoped cs(_crit);
     QoS = _qos;
@@ -724,7 +724,7 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetToS(WebRtc_Word32 DSCP, bool useSetSockOpt)
+int32_t UdpTransportImpl::SetToS(int32_t DSCP, bool useSetSockOpt)
 {
     if (_qos)
     {
@@ -835,7 +835,7 @@
                 else
                 {
                     bool receiving=_receiving;
-                    WebRtc_UWord32 noOfReceiveBuffers = 0;
+                    uint32_t noOfReceiveBuffers = 0;
                     if(receiving)
                     {
                         noOfReceiveBuffers=_ptrRtpSocket->ReceiveBuffers();
@@ -879,9 +879,9 @@
 #endif // #ifdef _WIN32
         WEBRTC_TRACE(kTraceDebug, kTraceTransport, _id,
                      "Setting TOS using SetSockopt");
-        WebRtc_Word32 TOSShifted = DSCP << 2;
+        int32_t TOSShifted = DSCP << 2;
         if (!rtpSock->SetSockopt(IPPROTO_IP, IP_TOS,
-                                 (WebRtc_Word8*) &TOSShifted, 4))
+                                 (int8_t*) &TOSShifted, 4))
         {
             WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                          "Could not SetSockopt tos value on RTP socket");
@@ -889,7 +889,7 @@
             return -1;
         }
         if (!rtcpSock->SetSockopt(IPPROTO_IP, IP_TOS,
-                                  (WebRtc_Word8*) &TOSShifted, 4))
+                                  (int8_t*) &TOSShifted, 4))
         {
             WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                          "Could not sSetSockopt tos value on RTCP socket");
@@ -920,8 +920,8 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::ToS(WebRtc_Word32& DSCP,
-                                    bool& useSetSockOpt) const
+int32_t UdpTransportImpl::ToS(int32_t& DSCP,
+                              bool& useSetSockOpt) const
 {
     CriticalSectionScoped cs(_crit);
     DSCP = _tos;
@@ -929,7 +929,7 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetPCP(WebRtc_Word32 PCP)
+int32_t UdpTransportImpl::SetPCP(int32_t PCP)
 {
 
     if (_qos)
@@ -1000,7 +1000,7 @@
     }
 
 #elif defined(WEBRTC_LINUX)
-    if (!rtpSock->SetSockopt(SOL_SOCKET, SO_PRIORITY, (WebRtc_Word8*) &PCP,
+    if (!rtpSock->SetSockopt(SOL_SOCKET, SO_PRIORITY, (int8_t*) &PCP,
                              sizeof(PCP)))
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
@@ -1008,7 +1008,7 @@
         _lastError = kPcpError;
         return -1;
     }
-    if (!rtcpSock->SetSockopt(SOL_SOCKET, SO_PRIORITY, (WebRtc_Word8*) &PCP,
+    if (!rtcpSock->SetSockopt(SOL_SOCKET, SO_PRIORITY, (int8_t*) &PCP,
                               sizeof(PCP)))
     {
         WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
@@ -1025,7 +1025,7 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::PCP(WebRtc_Word32& PCP) const
+int32_t UdpTransportImpl::PCP(int32_t& PCP) const
 {
     CriticalSectionScoped cs(_crit);
     PCP = _pcp;
@@ -1037,7 +1037,7 @@
     return _useSetSockOpt;
 }
 
-WebRtc_Word32 UdpTransportImpl::EnableIpV6() {
+int32_t UdpTransportImpl::EnableIpV6() {
 
   CriticalSectionScoped cs(_crit);
   const bool initialized = (_ptrSendRtpSocket || _ptrRtpSocket);
@@ -1053,7 +1053,7 @@
   return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::FilterIP(
+int32_t UdpTransportImpl::FilterIP(
     char filterIPAddress[kIpAddressVersion6Length]) const
 {
 
@@ -1069,12 +1069,12 @@
         return -1;
     }
     CriticalSectionScoped cs(_critFilter);
-    WebRtc_UWord32 ipSize = kIpAddressVersion6Length;
-    WebRtc_UWord16 sourcePort;
+    uint32_t ipSize = kIpAddressVersion6Length;
+    uint16_t sourcePort;
     return IPAddress(_filterIPAddress, filterIPAddress, ipSize, sourcePort);
 }
 
-WebRtc_Word32 UdpTransportImpl::SetFilterIP(
+int32_t UdpTransportImpl::SetFilterIP(
     const char filterIPAddress[kIpAddressVersion6Length])
 {
     if(filterIPAddress == NULL)
@@ -1118,8 +1118,8 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetFilterPorts(WebRtc_UWord16 rtpFilterPort,
-                                               WebRtc_UWord16 rtcpFilterPort)
+int32_t UdpTransportImpl::SetFilterPorts(uint16_t rtpFilterPort,
+                                         uint16_t rtcpFilterPort)
 {
     CriticalSectionScoped cs(_critFilter);
     _rtpFilterPort = rtpFilterPort;
@@ -1388,7 +1388,7 @@
         mreq.imr_interface.s_addr = INADDR_ANY;
 
         if (!_ptrRtpSocket->SetSockopt(IPPROTO_IP,IP_ADD_MEMBERSHIP,
-                                       (WebRtc_Word8*)&mreq,sizeof (mreq)))
+                                       (int8_t*)&mreq,sizeof (mreq)))
         {
            WEBRTC_TRACE(
                 kTraceError,
@@ -1460,7 +1460,7 @@
         mreq.imr_interface.s_addr = INADDR_ANY;
 
         if (!_ptrRtcpSocket->SetSockopt(IPPROTO_IP,IP_ADD_MEMBERSHIP,
-                                        (WebRtc_Word8*)&mreq,sizeof (mreq)))
+                                        (int8_t*)&mreq,sizeof (mreq)))
         {
             WEBRTC_TRACE(
                 kTraceError,
@@ -1476,8 +1476,8 @@
     return kNoSocketError;
 }
 
-WebRtc_Word32 UdpTransportImpl::InitializeSourcePorts(WebRtc_UWord16 rtpPort,
-                                                      WebRtc_UWord16 rtcpPort)
+int32_t UdpTransportImpl::InitializeSourcePorts(uint16_t rtpPort,
+                                                uint16_t rtcpPort)
 {
 
     if(rtpPort == 0)
@@ -1529,8 +1529,8 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SourcePorts(WebRtc_UWord16& rtpPort,
-                                            WebRtc_UWord16& rtcpPort) const
+int32_t UdpTransportImpl::SourcePorts(uint16_t& rtpPort,
+                                      uint16_t& rtcpPort) const
 {
     CriticalSectionScoped cs(_crit);
 
@@ -1541,11 +1541,9 @@
 
 
 #ifdef _WIN32
-WebRtc_Word32 UdpTransportImpl::StartReceiving(
-    WebRtc_UWord32 numberOfSocketBuffers)
+int32_t UdpTransportImpl::StartReceiving(uint32_t numberOfSocketBuffers)
 #else
-WebRtc_Word32 UdpTransportImpl::StartReceiving(
-    WebRtc_UWord32 /*numberOfSocketBuffers*/)
+int32_t UdpTransportImpl::StartReceiving(uint32_t /*numberOfSocketBuffers*/)
 #endif
 {
     CriticalSectionScoped cs(_crit);
@@ -1594,7 +1592,7 @@
    return _receiving;
 }
 
-WebRtc_Word32 UdpTransportImpl::StopReceiving()
+int32_t UdpTransportImpl::StopReceiving()
 {
 
     CriticalSectionScoped cs(_crit);
@@ -1624,10 +1622,10 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::InitializeSendSockets(
+int32_t UdpTransportImpl::InitializeSendSockets(
     const char* ipaddr,
-    const WebRtc_UWord16 rtpPort,
-    const WebRtc_UWord16 rtcpPort)
+    const uint16_t rtpPort,
+    const uint16_t rtcpPort)
 {
     {
         CriticalSectionScoped cs(_crit);
@@ -1684,7 +1682,7 @@
         // TODO (grunell): Multicast support is experimantal.
 
         // Put the first digit of the remote address in val.
-        WebRtc_Word32 val = ntohl(_remoteRTPAddr._sockaddr_in.sin_addr)>> 24;
+        int32_t val = ntohl(_remoteRTPAddr._sockaddr_in.sin_addr)>> 24;
 
         if((val > 223) && (val < 240))
         {
@@ -1707,10 +1705,10 @@
             }
 
             // Set Time To Live to same region
-            WebRtc_Word32 iOptVal = 64;
+            int32_t iOptVal = 64;
             if (!rtpSock->SetSockopt(IPPROTO_IP, IP_MULTICAST_TTL,
-                                     (WebRtc_Word8*)&iOptVal,
-                                     sizeof (WebRtc_Word32)))
+                                     (int8_t*)&iOptVal,
+                                     sizeof (int32_t)))
             {
                 WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                              "setsockopt for multicast error on RTP socket");
@@ -1720,8 +1718,8 @@
                 return -1;
             }
             if (!rtcpSock->SetSockopt(IPPROTO_IP, IP_MULTICAST_TTL,
-                                      (WebRtc_Word8*)&iOptVal,
-                                      sizeof (WebRtc_Word32)))
+                                      (int8_t*)&iOptVal,
+                                      sizeof (int32_t)))
             {
                 WEBRTC_TRACE(kTraceError, kTraceTransport, _id,
                              "setsockopt for multicast error on RTCP socket");
@@ -1735,7 +1733,7 @@
     return 0;
 }
 
-void UdpTransportImpl::BuildSockaddrIn(WebRtc_UWord16 portnr,
+void UdpTransportImpl::BuildSockaddrIn(uint16_t portnr,
                                        const char* ip,
                                        SocketAddress& remoteAddr) const
 {
@@ -1766,11 +1764,11 @@
     }
 }
 
-WebRtc_Word32 UdpTransportImpl::SendRaw(const WebRtc_Word8 *data,
-                                        WebRtc_UWord32 length,
-                                        WebRtc_Word32 isRTCP,
-                                        WebRtc_UWord16 portnr,
-                                        const char* ip)
+int32_t UdpTransportImpl::SendRaw(const int8_t *data,
+                                  uint32_t length,
+                                  int32_t isRTCP,
+                                  uint16_t portnr,
+                                  const char* ip)
 {
     CriticalSectionScoped cs(_crit);
     if(isRTCP)
@@ -1842,9 +1840,9 @@
     }
 }
 
-WebRtc_Word32 UdpTransportImpl::SendRTPPacketTo(const WebRtc_Word8* data,
-                                                WebRtc_UWord32 length,
-                                                const SocketAddress& to)
+int32_t UdpTransportImpl::SendRTPPacketTo(const int8_t* data,
+                                          uint32_t length,
+                                          const SocketAddress& to)
 {
     CriticalSectionScoped cs(_crit);
     if(_ptrSendRtpSocket)
@@ -1858,9 +1856,9 @@
     return -1;
 }
 
-WebRtc_Word32 UdpTransportImpl::SendRTCPPacketTo(const WebRtc_Word8* data,
-                                                 WebRtc_UWord32 length,
-                                                 const SocketAddress& to)
+int32_t UdpTransportImpl::SendRTCPPacketTo(const int8_t* data,
+                                           uint32_t length,
+                                           const SocketAddress& to)
 {
 
     CriticalSectionScoped cs(_crit);
@@ -1876,9 +1874,9 @@
     return -1;
 }
 
-WebRtc_Word32 UdpTransportImpl::SendRTPPacketTo(const WebRtc_Word8* data,
-                                                WebRtc_UWord32 length,
-                                                const WebRtc_UWord16 rtpPort)
+int32_t UdpTransportImpl::SendRTPPacketTo(const int8_t* data,
+                                          uint32_t length,
+                                          const uint16_t rtpPort)
 {
     CriticalSectionScoped cs(_crit);
     // Use the current SocketAdress but update it with rtpPort.
@@ -1904,9 +1902,9 @@
     return -1;
 }
 
-WebRtc_Word32 UdpTransportImpl::SendRTCPPacketTo(const WebRtc_Word8* data,
-                                                 WebRtc_UWord32 length,
-                                                 const WebRtc_UWord16 rtcpPort)
+int32_t UdpTransportImpl::SendRTCPPacketTo(const int8_t* data,
+                                           uint32_t length,
+                                           const uint16_t rtcpPort)
 {
     CriticalSectionScoped cs(_crit);
 
@@ -1989,12 +1987,12 @@
 
     if(_ptrSendRtpSocket)
     {
-        return _ptrSendRtpSocket->SendTo((const WebRtc_Word8*)data, length,
+        return _ptrSendRtpSocket->SendTo((const int8_t*)data, length,
                                          _remoteRTPAddr);
 
     } else if(_ptrRtpSocket)
     {
-        return _ptrRtpSocket->SendTo((const WebRtc_Word8*)data, length,
+        return _ptrRtpSocket->SendTo((const int8_t*)data, length,
                                      _remoteRTPAddr);
     }
     return -1;
@@ -2055,17 +2053,17 @@
 
     if(_ptrSendRtcpSocket)
     {
-        return _ptrSendRtcpSocket->SendTo((const WebRtc_Word8*)data, length,
+        return _ptrSendRtcpSocket->SendTo((const int8_t*)data, length,
                                           _remoteRTCPAddr);
     } else if(_ptrRtcpSocket)
     {
-        return _ptrRtcpSocket->SendTo((const WebRtc_Word8*)data, length,
+        return _ptrRtcpSocket->SendTo((const int8_t*)data, length,
                                       _remoteRTCPAddr);
     }
     return -1;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetSendIP(const char* ipaddr)
+int32_t UdpTransportImpl::SetSendIP(const char* ipaddr)
 {
     if(!IsIpAddressValid(ipaddr,IpV6Enabled()))
     {
@@ -2078,8 +2076,7 @@
     return 0;
 }
 
-WebRtc_Word32 UdpTransportImpl::SetSendPorts(WebRtc_UWord16 rtpPort,
-                                             WebRtc_UWord16 rtcpPort)
+int32_t UdpTransportImpl::SetSendPorts(uint16_t rtpPort, uint16_t rtcpPort)
 {
     CriticalSectionScoped cs(_crit);
     _destPort = rtpPort;
@@ -2096,8 +2093,8 @@
 }
 
 void UdpTransportImpl::IncomingRTPCallback(CallbackObj obj,
-                                           const WebRtc_Word8* rtpPacket,
-                                           WebRtc_Word32 rtpPacketLength,
+                                           const int8_t* rtpPacket,
+                                           int32_t rtpPacketLength,
                                            const SocketAddress* from)
 {
     if (rtpPacket && rtpPacketLength > 0)
@@ -2108,8 +2105,8 @@
 }
 
 void UdpTransportImpl::IncomingRTCPCallback(CallbackObj obj,
-                                            const WebRtc_Word8* rtcpPacket,
-                                            WebRtc_Word32 rtcpPacketLength,
+                                            const int8_t* rtcpPacket,
+                                            int32_t rtcpPacketLength,
                                             const SocketAddress* from)
 {
     if (rtcpPacket && rtcpPacketLength > 0)
@@ -2120,13 +2117,13 @@
     }
 }
 
-void UdpTransportImpl::IncomingRTPFunction(const WebRtc_Word8* rtpPacket,
-                                           WebRtc_Word32 rtpPacketLength,
+void UdpTransportImpl::IncomingRTPFunction(const int8_t* rtpPacket,
+                                           int32_t rtpPacketLength,
                                            const SocketAddress* fromSocket)
 {
     char ipAddress[kIpAddressVersion6Length];
-    WebRtc_UWord32 ipAddressLength = kIpAddressVersion6Length;
-    WebRtc_UWord16 portNr = 0;
+    uint32_t ipAddressLength = kIpAddressVersion6Length;
+    uint16_t portNr = 0;
 
     {
         CriticalSectionScoped cs(_critFilter);
@@ -2183,13 +2180,13 @@
     }
 }
 
-void UdpTransportImpl::IncomingRTCPFunction(const WebRtc_Word8* rtcpPacket,
-                                            WebRtc_Word32 rtcpPacketLength,
+void UdpTransportImpl::IncomingRTCPFunction(const int8_t* rtcpPacket,
+                                            int32_t rtcpPacketLength,
                                             const SocketAddress* fromSocket)
 {
     char ipAddress[kIpAddressVersion6Length];
-    WebRtc_UWord32 ipAddressLength = kIpAddressVersion6Length;
-    WebRtc_UWord16 portNr = 0;
+    uint32_t ipAddressLength = kIpAddressVersion6Length;
+    uint16_t portNr = 0;
 
     {
         CriticalSectionScoped cs(_critFilter);
@@ -2263,7 +2260,7 @@
         if (_filterIPAddress._sockaddr_storage.sin_family == AF_INET6)
         {
             // IP is stored in sin_6addr.
-            for (WebRtc_Word32 i = 0; i < 4; i++)
+            for (int32_t i = 0; i < 4; i++)
             {
                 if (_filterIPAddress._sockaddr_in6.sin6_addr.Version6AddressUnion._s6_u32[i] != 0 &&
                     _filterIPAddress._sockaddr_in6.sin6_addr.Version6AddressUnion._s6_u32[i] != fromAddress->_sockaddr_in6.sin6_addr.Version6AddressUnion._s6_u32[i])
@@ -2314,27 +2311,27 @@
     }
 }
 
-WebRtc_UWord16 UdpTransport::Htons(const WebRtc_UWord16 port)
+uint16_t UdpTransport::Htons(const uint16_t port)
 {
     return htons(port);
 }
 
-WebRtc_UWord32 UdpTransport::Htonl(const WebRtc_UWord32 a)
+uint32_t UdpTransport::Htonl(const uint32_t a)
 {
     return htonl(a);
 }
 
-WebRtc_UWord32 UdpTransport::InetAddrIPV4(const char* ip)
+uint32_t UdpTransport::InetAddrIPV4(const char* ip)
 {
     return ::inet_addr(ip);
 }
 
-WebRtc_Word32 UdpTransport::InetPresentationToNumeric(WebRtc_Word32 af,
-                                                      const char* src,
-                                                      void* dst)
+int32_t UdpTransport::InetPresentationToNumeric(int32_t af,
+                                                const char* src,
+                                                void* dst)
 {
 #if defined(WEBRTC_LINUX) || defined(WEBRTC_MAC)
-    const WebRtc_Word32 result = inet_pton(af, src, dst);
+    const int32_t result = inet_pton(af, src, dst);
     return result > 0 ? 0 : -1;
 
 #elif defined(_WIN32)
@@ -2343,7 +2340,7 @@
 
     if(af == AF_INET)
     {
-        WebRtc_Word32 result = WSAStringToAddressA(
+        int32_t result = WSAStringToAddressA(
             (const LPSTR)src,
             af,
             0,
@@ -2359,7 +2356,7 @@
     }
     else if(af == AF_INET6)
     {
-        WebRtc_Word32 result = WSAStringToAddressA(
+        int32_t result = WSAStringToAddressA(
             (const LPSTR)src,
             af,
             0,
@@ -2382,7 +2379,7 @@
 #endif
 }
 
-WebRtc_Word32 UdpTransport::LocalHostAddressIPV6(char n_localIP[16])
+int32_t UdpTransport::LocalHostAddressIPV6(char n_localIP[16])
 {
 
 #if defined(_WIN32)
@@ -2620,7 +2617,7 @@
 #endif
 }
 
-WebRtc_Word32 UdpTransport::LocalHostAddress(WebRtc_UWord32& localIP)
+int32_t UdpTransport::LocalHostAddress(uint32_t& localIP)
 {
  #if defined(_WIN32)
     hostent* localHost;
@@ -2642,7 +2639,7 @@
     }
     else
     {
-        WebRtc_Word32 error = WSAGetLastError();
+        int32_t error = WSAGetLastError();
         WEBRTC_TRACE(kTraceWarning, kTraceTransport, -1,
                      "gethostbyname failed, error:%d", error);
         return -1;
@@ -2730,14 +2727,14 @@
 #endif
 }
 
-WebRtc_Word32 UdpTransport::IPAddress(const SocketAddress& address,
-                                      char* ip,
-                                      WebRtc_UWord32& ipSize,
-                                      WebRtc_UWord16& sourcePort)
+int32_t UdpTransport::IPAddress(const SocketAddress& address,
+                                char* ip,
+                                uint32_t& ipSize,
+                                uint16_t& sourcePort)
 {
  #if defined(_WIN32)
     DWORD dwIPSize = ipSize;
-    WebRtc_Word32 returnvalue = WSAAddressToStringA((LPSOCKADDR)(&address),
+    int32_t returnvalue = WSAAddressToStringA((LPSOCKADDR)(&address),
                                          sizeof(SocketAddress),
                                          NULL,
                                          ip,
@@ -2747,7 +2744,7 @@
         return -1;
     }
 
-    WebRtc_UWord16 source_port = 0;
+    uint16_t source_port = 0;
     if(address._sockaddr_storage.sin_family == AF_INET)
     {
         // Parse IP assuming format "a.b.c.d:port".
@@ -2756,7 +2753,7 @@
         {
             *ipEnd = '\0';
         }
-        ipSize = (WebRtc_Word32)strlen(ip);
+        ipSize = (int32_t)strlen(ip);
         if(ipSize == 0)
         {
             return -1;
@@ -2770,11 +2767,11 @@
         if(ipEnd != NULL)
         {
           // Calculate length
-            WebRtc_Word32 adrSize = WebRtc_Word32(ipEnd - ip) - 1;
+            int32_t adrSize = int32_t(ipEnd - ip) - 1;
             memmove(ip, &ip[1], adrSize);   // Remove '['
             *(ipEnd - 1) = '\0';
         }
-        ipSize = (WebRtc_Word32)strlen(ip);
+        ipSize = (int32_t)strlen(ip);
         if(ipSize == 0)
         {
             return -1;
@@ -2787,7 +2784,7 @@
     return 0;
 
  #elif defined(WEBRTC_LINUX) || defined(WEBRTC_MAC)
-    WebRtc_Word32 ipFamily = address._sockaddr_storage.sin_family;
+    int32_t ipFamily = address._sockaddr_storage.sin_family;
     const void* ptrNumericIP = NULL;
 
     if(ipFamily == AF_INET)
@@ -2806,7 +2803,7 @@
     {
         return -1;
     }
-    WebRtc_UWord16 source_port;
+    uint16_t source_port;
     if(ipFamily == AF_INET)
     {
         source_port = address._sockaddr_in.sin_port;
@@ -2826,19 +2823,19 @@
 {
     if(ipV6)
     {
-        WebRtc_Word32 len = (WebRtc_Word32)strlen(ipadr);
+        int32_t len = (int32_t)strlen(ipadr);
         if( len>39 || len == 0)
         {
             return false;
         }
 
-        WebRtc_Word32 i;
-        WebRtc_Word32 colonPos[7] = {0,0,0,0,0,0,0};
-        WebRtc_Word32 lastColonPos = -2;
-        WebRtc_Word32 nColons = 0;
-        WebRtc_Word32 nDubbleColons = 0;
-        WebRtc_Word32 nDots = 0;
-        WebRtc_Word32 error = 0;
+        int32_t i;
+        int32_t colonPos[7] = {0,0,0,0,0,0,0};
+        int32_t lastColonPos = -2;
+        int32_t nColons = 0;
+        int32_t nDubbleColons = 0;
+        int32_t nDots = 0;
+        int32_t error = 0;
         char c;
         for(i = 0; i < len ; i++)
         {
@@ -2885,7 +2882,7 @@
             return false;
         }
         lastColonPos = -1;
-        WebRtc_Word32 charsBeforeColon = 0;
+        int32_t charsBeforeColon = 0;
         for(i = 0; i < nColons; i++)
         {
             charsBeforeColon=colonPos[i]-lastColonPos-1;
@@ -2895,7 +2892,7 @@
             }
             lastColonPos=colonPos[i];
         }
-        WebRtc_Word32 lengthAfterLastColon = len - lastColonPos - 1;
+        int32_t lengthAfterLastColon = len - lastColonPos - 1;
         if(nDots == 0)
         {
             if(lengthAfterLastColon > 4)
@@ -2909,16 +2906,16 @@
     }
     else
     {
-        WebRtc_Word32 len = (WebRtc_Word32)strlen(ipadr);
+        int32_t len = (int32_t)strlen(ipadr);
         if((len>15)||(len==0))
         {
             return false;
         }
 
         // IPv4 should be [0-255].[0-255].[0-255].[0-255]
-        WebRtc_Word32 i;
-        WebRtc_Word32 nDots = 0;
-        WebRtc_Word32 iDotPos[4] = {0,0,0,0};
+        int32_t i;
+        int32_t nDots = 0;
+        int32_t iDotPos[4] = {0,0,0,0};
 
         for (i = 0; (i < len) && (nDots < 4); i++)
         {
@@ -2946,7 +2943,7 @@
                 char nr[4];
                 memset(nr,0,4);
                 strncpy(nr,&ipadr[0],iDotPos[0]);
-                WebRtc_Word32 num = atoi(nr);
+                int32_t num = atoi(nr);
                 if (num > 255)
                 {
                     break;
@@ -2960,7 +2957,7 @@
                 char nr[4];
                 memset(nr,0,4);
                 strncpy(nr,&ipadr[iDotPos[0]+1], iDotPos[1] - iDotPos[0] - 1);
-                WebRtc_Word32 num = atoi(nr);
+                int32_t num = atoi(nr);
                 if (num > 255)
                     break;
             } else {
@@ -2972,7 +2969,7 @@
                 char nr[4];
                 memset(nr,0,4);
                 strncpy(nr,&ipadr[iDotPos[1]+1], iDotPos[1] - iDotPos[0] - 1);
-                WebRtc_Word32 num = atoi(nr);
+                int32_t num = atoi(nr);
                 if (num > 255)
                     break;
 
diff --git a/test/channel_transport/udp_transport_impl.h b/test/channel_transport/udp_transport_impl.h
index 644b716..e604161 100644
--- a/test/channel_transport/udp_transport_impl.h
+++ b/test/channel_transport/udp_transport_impl.h
@@ -30,7 +30,7 @@
     class SocketFactoryInterface {
     public:
         virtual ~SocketFactoryInterface() {}
-        virtual UdpSocketWrapper* CreateSocket(const WebRtc_Word32 id,
+        virtual UdpSocketWrapper* CreateSocket(const int32_t id,
                                                UdpSocketManager* mgr,
                                                CallbackObj obj,
                                                IncomingSocketCallback cb,
@@ -41,113 +41,111 @@
     // Constructor, only called by UdpTransport::Create and tests.
     // The constructor takes ownership of the "maker".
     // The constructor does not take ownership of socket_manager.
-    UdpTransportImpl(const WebRtc_Word32 id,
+    UdpTransportImpl(const int32_t id,
                      SocketFactoryInterface* maker,
                      UdpSocketManager* socket_manager);
     virtual ~UdpTransportImpl();
 
     // UdpTransport functions
-    virtual WebRtc_Word32 InitializeSendSockets(
+    virtual int32_t InitializeSendSockets(
         const char* ipAddr,
-        const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0);
-    virtual WebRtc_Word32 InitializeReceiveSockets(
+        const uint16_t rtpPort,
+        const uint16_t rtcpPort = 0);
+    virtual int32_t InitializeReceiveSockets(
         UdpTransportData* const packetCallback,
-        const WebRtc_UWord16 rtpPort,
+        const uint16_t rtpPort,
         const char* ipAddr = NULL,
         const char* multicastIpAddr = NULL,
-        const WebRtc_UWord16 rtcpPort = 0);
-    virtual WebRtc_Word32 InitializeSourcePorts(
-        const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0);
-    virtual WebRtc_Word32 SourcePorts(WebRtc_UWord16& rtpPort,
-                                      WebRtc_UWord16& rtcpPort) const;
-    virtual WebRtc_Word32 ReceiveSocketInformation(
+        const uint16_t rtcpPort = 0);
+    virtual int32_t InitializeSourcePorts(
+        const uint16_t rtpPort,
+        const uint16_t rtcpPort = 0);
+    virtual int32_t SourcePorts(uint16_t& rtpPort, uint16_t& rtcpPort) const;
+    virtual int32_t ReceiveSocketInformation(
         char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort,
+        uint16_t& rtpPort,
+        uint16_t& rtcpPort,
         char multicastIpAddr[kIpAddressVersion6Length]) const;
-    virtual WebRtc_Word32 SendSocketInformation(
+    virtual int32_t SendSocketInformation(
         char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort) const;
-    virtual WebRtc_Word32 RemoteSocketInformation(
+        uint16_t& rtpPort,
+        uint16_t& rtcpPort) const;
+    virtual int32_t RemoteSocketInformation(
         char ipAddr[kIpAddressVersion6Length],
-        WebRtc_UWord16& rtpPort,
-        WebRtc_UWord16& rtcpPort) const;
-    virtual WebRtc_Word32 SetQoS(const bool QoS,
-                                 const WebRtc_Word32 serviceType,
-                                 const WebRtc_UWord32 maxBitrate = 0,
-                                 const WebRtc_Word32 overrideDSCP = 0,
-                                 const bool audio = false);
-    virtual WebRtc_Word32 QoS(bool& QoS, WebRtc_Word32& serviceType,
-                              WebRtc_Word32& overrideDSCP) const;
-    virtual WebRtc_Word32 SetToS(const WebRtc_Word32 DSCP,
-                                 const bool useSetSockOpt = false);
-    virtual WebRtc_Word32 ToS(WebRtc_Word32& DSCP,
-                              bool& useSetSockOpt) const;
-    virtual WebRtc_Word32 SetPCP(const WebRtc_Word32 PCP);
-    virtual WebRtc_Word32 PCP(WebRtc_Word32& PCP) const;
-    virtual WebRtc_Word32 EnableIpV6();
+        uint16_t& rtpPort,
+        uint16_t& rtcpPort) const;
+    virtual int32_t SetQoS(const bool QoS,
+                           const int32_t serviceType,
+                           const uint32_t maxBitrate = 0,
+                           const int32_t overrideDSCP = 0,
+                           const bool audio = false);
+    virtual int32_t QoS(bool& QoS, int32_t& serviceType,
+                        int32_t& overrideDSCP) const;
+    virtual int32_t SetToS(const int32_t DSCP,
+                           const bool useSetSockOpt = false);
+    virtual int32_t ToS(int32_t& DSCP, bool& useSetSockOpt) const;
+    virtual int32_t SetPCP(const int32_t PCP);
+    virtual int32_t PCP(int32_t& PCP) const;
+    virtual int32_t EnableIpV6();
     virtual bool IpV6Enabled() const;
-    virtual WebRtc_Word32 SetFilterIP(
+    virtual int32_t SetFilterIP(
         const char filterIPAddress[kIpAddressVersion6Length]);
-    virtual WebRtc_Word32 FilterIP(
+    virtual int32_t FilterIP(
         char filterIPAddress[kIpAddressVersion6Length]) const;
-    virtual WebRtc_Word32 SetFilterPorts(const WebRtc_UWord16 rtpFilterPort,
-                                         const WebRtc_UWord16 rtcpFilterPort);
-    virtual WebRtc_Word32 FilterPorts(WebRtc_UWord16& rtpFilterPort,
-                                      WebRtc_UWord16& rtcpFilterPort) const;
-    virtual WebRtc_Word32 StartReceiving(
-        const WebRtc_UWord32 numberOfSocketBuffers);
-    virtual WebRtc_Word32 StopReceiving();
+    virtual int32_t SetFilterPorts(const uint16_t rtpFilterPort,
+                                   const uint16_t rtcpFilterPort);
+    virtual int32_t FilterPorts(uint16_t& rtpFilterPort,
+                                uint16_t& rtcpFilterPort) const;
+    virtual int32_t StartReceiving(
+        const uint32_t numberOfSocketBuffers);
+    virtual int32_t StopReceiving();
     virtual bool Receiving() const;
     virtual bool SendSocketsInitialized() const;
     virtual bool SourcePortsInitialized() const;
     virtual bool ReceiveSocketsInitialized() const;
-    virtual WebRtc_Word32 SendRaw(const WebRtc_Word8* data,
-                                  WebRtc_UWord32 length, WebRtc_Word32 isRTCP,
-                                  WebRtc_UWord16 portnr = 0,
-                                  const char* ip = NULL);
-    virtual WebRtc_Word32 SendRTPPacketTo(const WebRtc_Word8 *data,
-                                          WebRtc_UWord32 length,
-                                          const SocketAddress& to);
-    virtual WebRtc_Word32 SendRTCPPacketTo(const WebRtc_Word8 *data,
-                                           WebRtc_UWord32 length,
-                                           const SocketAddress& to);
-    virtual WebRtc_Word32 SendRTPPacketTo(const WebRtc_Word8 *data,
-                                          WebRtc_UWord32 length,
-                                          WebRtc_UWord16 rtpPort);
-    virtual WebRtc_Word32 SendRTCPPacketTo(const WebRtc_Word8 *data,
-                                           WebRtc_UWord32 length,
-                                           WebRtc_UWord16 rtcpPort);
+    virtual int32_t SendRaw(const int8_t* data,
+                            uint32_t length, int32_t isRTCP,
+                            uint16_t portnr = 0,
+                            const char* ip = NULL);
+    virtual int32_t SendRTPPacketTo(const int8_t *data,
+                                    uint32_t length,
+                                    const SocketAddress& to);
+    virtual int32_t SendRTCPPacketTo(const int8_t *data,
+                                     uint32_t length,
+                                     const SocketAddress& to);
+    virtual int32_t SendRTPPacketTo(const int8_t *data,
+                                    uint32_t length,
+                                    uint16_t rtpPort);
+    virtual int32_t SendRTCPPacketTo(const int8_t *data,
+                                     uint32_t length,
+                                     uint16_t rtcpPort);
     // Transport functions
     virtual int SendPacket(int channel, const void* data, int length);
     virtual int SendRTCPPacket(int channel, const void* data, int length);
 
     // UdpTransport functions continue.
-    virtual WebRtc_Word32 SetSendIP(const char* ipaddr);
-    virtual WebRtc_Word32 SetSendPorts(const WebRtc_UWord16 rtpPort,
-                                       const WebRtc_UWord16 rtcpPort = 0);
+    virtual int32_t SetSendIP(const char* ipaddr);
+    virtual int32_t SetSendPorts(const uint16_t rtpPort,
+                                 const uint16_t rtcpPort = 0);
 
     virtual ErrorCode LastError() const;
 
-    virtual WebRtc_Word32 IPAddressCached(const SocketAddress& address,
-                                          char* ip,
-                                          WebRtc_UWord32& ipSize,
-                                          WebRtc_UWord16& sourcePort);
+    virtual int32_t IPAddressCached(const SocketAddress& address,
+                                    char* ip,
+                                    uint32_t& ipSize,
+                                    uint16_t& sourcePort);
 
-    WebRtc_Word32 Id() const {return _id;}
+    int32_t Id() const {return _id;}
 protected:
     // IncomingSocketCallback signature functions for receiving callbacks from
     // UdpSocketWrapper.
     static void IncomingRTPCallback(CallbackObj obj,
-                                    const WebRtc_Word8* rtpPacket,
-                                    WebRtc_Word32 rtpPacketLength,
+                                    const int8_t* rtpPacket,
+                                    int32_t rtpPacketLength,
                                     const SocketAddress* from);
     static void IncomingRTCPCallback(CallbackObj obj,
-                                     const WebRtc_Word8* rtcpPacket,
-                                     WebRtc_Word32 rtcpPacketLength,
+                                     const int8_t* rtcpPacket,
+                                     int32_t rtcpPacketLength,
                                      const SocketAddress* from);
 
     void CloseSendSockets();
@@ -158,7 +156,7 @@
     // Update _remoteRTCPAddr according to _destPortRTCP and _destIP
     void BuildRemoteRTCPAddr();
 
-    void BuildSockaddrIn(WebRtc_UWord16 portnr, const char* ip,
+    void BuildSockaddrIn(uint16_t portnr, const char* ip,
                          SocketAddress& remoteAddr) const;
 
     ErrorCode BindLocalRTPSocket();
@@ -167,28 +165,27 @@
     ErrorCode BindRTPSendSocket();
     ErrorCode BindRTCPSendSocket();
 
-    void IncomingRTPFunction(const WebRtc_Word8* rtpPacket,
-                             WebRtc_Word32 rtpPacketLength,
+    void IncomingRTPFunction(const int8_t* rtpPacket,
+                             int32_t rtpPacketLength,
                              const SocketAddress* from);
-    void IncomingRTCPFunction(const WebRtc_Word8* rtcpPacket,
-                              WebRtc_Word32 rtcpPacketLength,
+    void IncomingRTCPFunction(const int8_t* rtcpPacket,
+                              int32_t rtcpPacketLength,
                               const SocketAddress* from);
 
     bool FilterIPAddress(const SocketAddress* fromAddress);
 
     bool SetSockOptUsed();
 
-    WebRtc_Word32 EnableQoS(WebRtc_Word32 serviceType, bool audio,
-                            WebRtc_UWord32 maxBitrate,
-                            WebRtc_Word32 overrideDSCP);
+    int32_t EnableQoS(int32_t serviceType, bool audio,
+                      uint32_t maxBitrate, int32_t overrideDSCP);
 
-    WebRtc_Word32 DisableQoS();
+    int32_t DisableQoS();
 
 private:
-    void GetCachedAddress(char* ip, WebRtc_UWord32& ipSize,
-                          WebRtc_UWord16& sourcePort);
+    void GetCachedAddress(char* ip, uint32_t& ipSize,
+                          uint16_t& sourcePort);
 
-    WebRtc_Word32 _id;
+    int32_t _id;
     SocketFactoryInterface* _socket_creator;
     // Protects the sockets from being re-configured while receiving packets.
     CriticalSectionWrapper* _crit;
@@ -199,21 +196,21 @@
     ErrorCode _lastError;
 
     // Remote RTP and RTCP ports.
-    WebRtc_UWord16 _destPort;
-    WebRtc_UWord16 _destPortRTCP;
+    uint16_t _destPort;
+    uint16_t _destPortRTCP;
 
     // Local RTP and RTCP ports.
-    WebRtc_UWord16 _localPort;
-    WebRtc_UWord16 _localPortRTCP;
+    uint16_t _localPort;
+    uint16_t _localPortRTCP;
 
     // Local port number when the local port for receiving and local port number
     // for sending are not the same.
-    WebRtc_UWord16 _srcPort;
-    WebRtc_UWord16 _srcPortRTCP;
+    uint16_t _srcPort;
+    uint16_t _srcPortRTCP;
 
     // Remote port from which last received packet was sent.
-    WebRtc_UWord16 _fromPort;
-    WebRtc_UWord16 _fromPortRTCP;
+    uint16_t _fromPort;
+    uint16_t _fromPortRTCP;
 
     char _fromIP[kIpAddressVersion6Length];
     char _destIP[kIpAddressVersion6Length];
@@ -234,26 +231,26 @@
     SocketAddress _localRTPAddr;
     SocketAddress _localRTCPAddr;
 
-    WebRtc_Word32 _tos;
+    int32_t _tos;
     bool _receiving;
     bool _useSetSockOpt;
     bool _qos;
-    WebRtc_Word32 _pcp;
+    int32_t _pcp;
     bool _ipV6Enabled;
-    WebRtc_Word32 _serviceType;
-    WebRtc_Word32 _overrideDSCP;
-    WebRtc_UWord32 _maxBitrate;
+    int32_t _serviceType;
+    int32_t _overrideDSCP;
+    uint32_t _maxBitrate;
 
     // Cache used by GetCachedAddress(..).
     RWLockWrapper* _cachLock;
     SocketAddress _previousAddress;
     char _previousIP[kIpAddressVersion6Length];
-    WebRtc_UWord32 _previousIPSize;
-    WebRtc_UWord16 _previousSourcePort;
+    uint32_t _previousIPSize;
+    uint16_t _previousSourcePort;
 
     SocketAddress _filterIPAddress;
-    WebRtc_UWord16 _rtpFilterPort;
-    WebRtc_UWord16 _rtcpFilterPort;
+    uint16_t _rtpFilterPort;
+    uint16_t _rtcpFilterPort;
 
     UdpTransportData* _packetCallback;
 };
diff --git a/test/channel_transport/udp_transport_unittest.cc b/test/channel_transport/udp_transport_unittest.cc
index 7408e4b..d1bbb1d 100644
--- a/test/channel_transport/udp_transport_unittest.cc
+++ b/test/channel_transport/udp_transport_unittest.cc
@@ -28,21 +28,20 @@
 class MockUdpSocketWrapper : public UdpSocketWrapper {
  public:
   // The following methods have to be mocked because they are pure.
-  MOCK_METHOD1(ChangeUniqueId, WebRtc_Word32(WebRtc_Word32));
+  MOCK_METHOD1(ChangeUniqueId, int32_t(int32_t));
   MOCK_METHOD2(SetCallback, bool(CallbackObj, IncomingSocketCallback));
   MOCK_METHOD1(Bind, bool(const SocketAddress&));
   MOCK_METHOD0(ValidHandle, bool());
-  MOCK_METHOD4(SetSockopt, bool(WebRtc_Word32, WebRtc_Word32,
-                                const WebRtc_Word8*,
-                                WebRtc_Word32));
-  MOCK_METHOD1(SetTOS, WebRtc_Word32(WebRtc_Word32));
-  MOCK_METHOD3(SendTo, WebRtc_Word32(const WebRtc_Word8*, WebRtc_Word32,
-                                     const SocketAddress&));
-  MOCK_METHOD8(SetQos, bool(WebRtc_Word32, WebRtc_Word32,
-                            WebRtc_Word32, WebRtc_Word32,
-                            WebRtc_Word32, WebRtc_Word32,
+  MOCK_METHOD4(SetSockopt, bool(int32_t, int32_t,
+                                const int8_t*,
+                                int32_t));
+  MOCK_METHOD1(SetTOS, int32_t(int32_t));
+  MOCK_METHOD3(SendTo, int32_t(const int8_t*, int32_t, const SocketAddress&));
+  MOCK_METHOD8(SetQos, bool(int32_t, int32_t,
+                            int32_t, int32_t,
+                            int32_t, int32_t,
                             const SocketAddress &,
-                            WebRtc_Word32));
+                            int32_t));
 };
 
 class MockUdpSocketManager : public UdpSocketManager {
@@ -51,8 +50,8 @@
   void Destroy() {
     delete this;
   }
-  MOCK_METHOD2(Init, bool(WebRtc_Word32, WebRtc_UWord8&));
-  MOCK_METHOD1(ChangeUniqueId, WebRtc_Word32(const WebRtc_Word32));
+  MOCK_METHOD2(Init, bool(int32_t, uint8_t&));
+  MOCK_METHOD1(ChangeUniqueId, int32_t(const int32_t));
   MOCK_METHOD0(Start, bool());
   MOCK_METHOD0(Stop, bool());
   MOCK_METHOD1(AddSocket, bool(UdpSocketWrapper*));
@@ -65,7 +64,7 @@
   MockSocketFactory(std::vector<MockUdpSocketWrapper*>* socket_counter)
       : socket_counter_(socket_counter) {
   }
-  UdpSocketWrapper* CreateSocket(const WebRtc_Word32 id,
+  UdpSocketWrapper* CreateSocket(const int32_t id,
                                  UdpSocketManager* mgr,
                                  CallbackObj obj,
                                  IncomingSocketCallback cb,
@@ -110,15 +109,15 @@
 };
 
 TEST_F(UDPTransportTest, CreateTransport) {
-  WebRtc_Word32 id = 0;
-  WebRtc_UWord8 threads = 1;
+  int32_t id = 0;
+  uint8_t threads = 1;
   UdpTransport* transport = UdpTransport::Create(id, threads);
   UdpTransport::Destroy(transport);
 }
 
 // This test verifies that the mock_socket is not called from the constructor.
 TEST_F(UDPTransportTest, ConstructorDoesNotCreateSocket) {
-  WebRtc_Word32 id = 0;
+  int32_t id = 0;
   UdpTransportImpl::SocketFactoryInterface* null_maker = NULL;
   UdpSocketManager* null_manager = NULL;
   UdpTransport* transport = new UdpTransportImpl(id,
@@ -128,7 +127,7 @@
 }
 
 TEST_F(UDPTransportTest, InitializeSourcePorts) {
-  WebRtc_Word32 id = 0;
+  int32_t id = 0;
   UdpTransportImpl::SocketFactoryInterface* mock_maker
       = new MockSocketFactory(sockets_created());
   MockUdpSocketManager* mock_manager = new MockUdpSocketManager();
diff --git a/test/testsupport/frame_reader.cc b/test/testsupport/frame_reader.cc
index 1736b8a..2733122 100644
--- a/test/testsupport/frame_reader.cc
+++ b/test/testsupport/frame_reader.cc
@@ -58,7 +58,7 @@
   }
 }
 
-bool FrameReaderImpl::ReadFrame(WebRtc_UWord8* source_buffer) {
+bool FrameReaderImpl::ReadFrame(uint8_t* source_buffer) {
   assert(source_buffer);
   if (input_file_ == NULL) {
     fprintf(stderr, "FrameReader is not initialized (input file is NULL)\n");
diff --git a/test/testsupport/frame_reader.h b/test/testsupport/frame_reader.h
index 4413df9..78cf8d6 100644
--- a/test/testsupport/frame_reader.h
+++ b/test/testsupport/frame_reader.h
@@ -33,7 +33,7 @@
   // for the frame size.
   // Returns true if there are more frames to read, false if we've already
   // read the last frame (in the previous call).
-  virtual bool ReadFrame(WebRtc_UWord8* source_buffer) = 0;
+  virtual bool ReadFrame(uint8_t* source_buffer) = 0;
 
   // Closes the input file if open. Essentially makes this class impossible
   // to use anymore. Will also be invoked by the destructor.
@@ -55,7 +55,7 @@
   FrameReaderImpl(std::string input_filename, size_t frame_length_in_bytes);
   virtual ~FrameReaderImpl();
   bool Init();
-  bool ReadFrame(WebRtc_UWord8* source_buffer);
+  bool ReadFrame(uint8_t* source_buffer);
   void Close();
   size_t FrameLength() { return frame_length_in_bytes_; }
   int NumberOfFrames() { return number_of_frames_; }
diff --git a/test/testsupport/frame_reader_unittest.cc b/test/testsupport/frame_reader_unittest.cc
index dadeaff..dbc1bc5 100644
--- a/test/testsupport/frame_reader_unittest.cc
+++ b/test/testsupport/frame_reader_unittest.cc
@@ -54,7 +54,7 @@
 }
 
 TEST_F(FrameReaderTest, ReadFrame) {
-  WebRtc_UWord8 buffer[3];
+  uint8_t buffer[3];
   bool result = frame_reader_->ReadFrame(buffer);
   ASSERT_FALSE(result);  // No more files to read.
   ASSERT_EQ(kInputFileContents[0], buffer[0]);
@@ -63,7 +63,7 @@
 }
 
 TEST_F(FrameReaderTest, ReadFrameUninitialized) {
-  WebRtc_UWord8 buffer[3];
+  uint8_t buffer[3];
   FrameReaderImpl file_reader(kInputFilename, kFrameLength);
   ASSERT_FALSE(file_reader.ReadFrame(buffer));
 }
diff --git a/test/testsupport/frame_writer.cc b/test/testsupport/frame_writer.cc
index d0b0b76..0eb6f4d 100644
--- a/test/testsupport/frame_writer.cc
+++ b/test/testsupport/frame_writer.cc
@@ -48,7 +48,7 @@
   }
 }
 
-bool FrameWriterImpl::WriteFrame(WebRtc_UWord8* frame_buffer) {
+bool FrameWriterImpl::WriteFrame(uint8_t* frame_buffer) {
   assert(frame_buffer);
   if (output_file_ == NULL) {
     fprintf(stderr, "FrameWriter is not initialized (output file is NULL)\n");
diff --git a/test/testsupport/frame_writer.h b/test/testsupport/frame_writer.h
index 7b802f2..e10ef19 100644
--- a/test/testsupport/frame_writer.h
+++ b/test/testsupport/frame_writer.h
@@ -31,7 +31,7 @@
 
   // Writes a frame of the configured frame length to the output file.
   // Returns true if the write was successful, false otherwise.
-  virtual bool WriteFrame(WebRtc_UWord8* frame_buffer) = 0;
+  virtual bool WriteFrame(uint8_t* frame_buffer) = 0;
 
   // Closes the output file if open. Essentially makes this class impossible
   // to use anymore. Will also be invoked by the destructor.
@@ -53,7 +53,7 @@
   FrameWriterImpl(std::string output_filename, size_t frame_length_in_bytes);
   virtual ~FrameWriterImpl();
   bool Init();
-  bool WriteFrame(WebRtc_UWord8* frame_buffer);
+  bool WriteFrame(uint8_t* frame_buffer);
   void Close();
   size_t FrameLength() { return frame_length_in_bytes_; }
 
diff --git a/test/testsupport/frame_writer_unittest.cc b/test/testsupport/frame_writer_unittest.cc
index 52185dd..109ae7d 100644
--- a/test/testsupport/frame_writer_unittest.cc
+++ b/test/testsupport/frame_writer_unittest.cc
@@ -44,7 +44,7 @@
 }
 
 TEST_F(FrameWriterTest, WriteFrame) {
-  WebRtc_UWord8 buffer[kFrameLength];
+  uint8_t buffer[kFrameLength];
   memset(buffer, 9, kFrameLength);  // Write lots of 9s to the buffer
   bool result = frame_writer_->WriteFrame(buffer);
   ASSERT_TRUE(result);  // success
@@ -54,7 +54,7 @@
 }
 
 TEST_F(FrameWriterTest, WriteFrameUninitialized) {
-  WebRtc_UWord8 buffer[3];
+  uint8_t buffer[3];
   FrameWriterImpl frame_writer(kOutputFilename, kFrameLength);
   ASSERT_FALSE(frame_writer.WriteFrame(buffer));
 }
diff --git a/test/testsupport/mock/mock_frame_reader.h b/test/testsupport/mock/mock_frame_reader.h
index f22dcd1..4ac5f4c 100644
--- a/test/testsupport/mock/mock_frame_reader.h
+++ b/test/testsupport/mock/mock_frame_reader.h
@@ -21,7 +21,7 @@
 class MockFrameReader : public FrameReader {
  public:
   MOCK_METHOD0(Init, bool());
-  MOCK_METHOD1(ReadFrame, bool(WebRtc_UWord8* source_buffer));
+  MOCK_METHOD1(ReadFrame, bool(uint8_t* source_buffer));
   MOCK_METHOD0(Close, void());
   MOCK_METHOD0(FrameLength, size_t());
   MOCK_METHOD0(NumberOfFrames, int());
diff --git a/test/testsupport/mock/mock_frame_writer.h b/test/testsupport/mock/mock_frame_writer.h
index 89650c9..7ac5b49 100644
--- a/test/testsupport/mock/mock_frame_writer.h
+++ b/test/testsupport/mock/mock_frame_writer.h
@@ -21,7 +21,7 @@
 class MockFrameWriter : public FrameWriter {
  public:
   MOCK_METHOD0(Init, bool());
-  MOCK_METHOD1(WriteFrame, bool(WebRtc_UWord8* frame_buffer));
+  MOCK_METHOD1(WriteFrame, bool(uint8_t* frame_buffer));
   MOCK_METHOD0(Close, void());
   MOCK_METHOD0(FrameLength, size_t());
 };
diff --git a/test/testsupport/packet_reader.cc b/test/testsupport/packet_reader.cc
index e8859d1..619a7ab 100644
--- a/test/testsupport/packet_reader.cc
+++ b/test/testsupport/packet_reader.cc
@@ -21,7 +21,7 @@
 
 PacketReader::~PacketReader() {}
 
-void PacketReader::InitializeReading(WebRtc_UWord8* data,
+void PacketReader::InitializeReading(uint8_t* data,
                                      int data_length_in_bytes,
                                      int packet_size_in_bytes) {
   assert(data);
@@ -34,7 +34,7 @@
   initialized_ = true;
 }
 
-int PacketReader::NextPacket(WebRtc_UWord8** packet_pointer) {
+int PacketReader::NextPacket(uint8_t** packet_pointer) {
   if (!initialized_) {
     fprintf(stderr, "Attempting to use uninitialized PacketReader!\n");
     return -1;
diff --git a/test/testsupport/packet_reader.h b/test/testsupport/packet_reader.h
index 4cb0bb1..e84ecd9 100644
--- a/test/testsupport/packet_reader.h
+++ b/test/testsupport/packet_reader.h
@@ -11,7 +11,7 @@
 #ifndef WEBRTC_TEST_TESTSUPPORT_PACKET_READER_H_
 #define WEBRTC_TEST_TESTSUPPORT_PACKET_READER_H_
 
-#include "typedefs.h"
+#include "webrtc/typedefs.h"
 
 namespace webrtc {
 namespace test {
@@ -28,7 +28,7 @@
   //   0 length will result in no packets are read.
   // * packet_size_in_bytes is the number of bytes to read in each NextPacket
   //   method call. Must be > 0
-  virtual void InitializeReading(WebRtc_UWord8* data, int data_length_in_bytes,
+  virtual void InitializeReading(uint8_t* data, int data_length_in_bytes,
                                  int packet_size_in_bytes);
 
   // Moves the supplied pointer to the beginning of the next packet.
@@ -37,10 +37,10 @@
   //    the last packet)
   // *  0 if there are no more packets to read
   // * -1 if InitializeReading has not been called (also prints to stderr).
-  virtual int NextPacket(WebRtc_UWord8** packet_pointer);
+  virtual int NextPacket(uint8_t** packet_pointer);
 
  private:
-  WebRtc_UWord8* data_;
+  uint8_t* data_;
   int data_length_;
   int packet_size_;
   int currentIndex_;
diff --git a/test/testsupport/packet_reader_unittest.cc b/test/testsupport/packet_reader_unittest.cc
index 9c7fc3b..1f3b20a 100644
--- a/test/testsupport/packet_reader_unittest.cc
+++ b/test/testsupport/packet_reader_unittest.cc
@@ -28,8 +28,8 @@
   }
   void VerifyPacketData(int expected_length,
                         int actual_length,
-                        WebRtc_UWord8* original_data_pointer,
-                        WebRtc_UWord8* new_data_pointer) {
+                        uint8_t* original_data_pointer,
+                        uint8_t* new_data_pointer) {
     EXPECT_EQ(expected_length, actual_length);
     EXPECT_EQ(*original_data_pointer, *new_data_pointer);
     EXPECT_EQ(0, memcmp(original_data_pointer, new_data_pointer,
@@ -40,7 +40,7 @@
 
 // Test lack of initialization
 TEST_F(PacketReaderTest, Uninitialized) {
-  WebRtc_UWord8* data_pointer = NULL;
+  uint8_t* data_pointer = NULL;
   EXPECT_EQ(-1, reader_->NextPacket(&data_pointer));
   EXPECT_EQ(NULL, data_pointer);
 }
@@ -53,8 +53,8 @@
 // Test with something smaller than one packet
 TEST_F(PacketReaderTest, NormalSmallData) {
   const int kDataLengthInBytes = 1499;
-  WebRtc_UWord8 data[kDataLengthInBytes];
-  WebRtc_UWord8* data_pointer = data;
+  uint8_t data[kDataLengthInBytes];
+  uint8_t* data_pointer = data;
   memset(data, 1, kDataLengthInBytes);
 
   reader_->InitializeReading(data, kDataLengthInBytes, kPacketSizeInBytes);
@@ -70,8 +70,8 @@
 
 // Test with data length that exactly matches one packet
 TEST_F(PacketReaderTest, NormalOnePacketData) {
-  WebRtc_UWord8 data[kPacketSizeInBytes];
-  WebRtc_UWord8* data_pointer = data;
+  uint8_t data[kPacketSizeInBytes];
+  uint8_t* data_pointer = data;
   memset(data, 1, kPacketSizeInBytes);
 
   reader_->InitializeReading(data, kPacketSizeInBytes, kPacketSizeInBytes);
@@ -112,8 +112,8 @@
 TEST_F(PacketReaderTest, EmptyData) {
   const int kDataLengthInBytes = 0;
   // But don't really try to allocate a zero-length array...
-  WebRtc_UWord8 data[kPacketSizeInBytes];
-  WebRtc_UWord8* data_pointer = data;
+  uint8_t data[kPacketSizeInBytes];
+  uint8_t* data_pointer = data;
   reader_->InitializeReading(data, kDataLengthInBytes, kPacketSizeInBytes);
   EXPECT_EQ(kDataLengthInBytes, reader_->NextPacket(&data_pointer));
   // Do it again to make sure nothing changes
diff --git a/test/testsupport/unittest_utils.h b/test/testsupport/unittest_utils.h
index 30464de..bb244a4 100644
--- a/test/testsupport/unittest_utils.h
+++ b/test/testsupport/unittest_utils.h
@@ -26,12 +26,12 @@
 class PacketRelatedTest: public testing::Test {
  protected:
   // Tree packet byte arrays with data used for verification:
-  WebRtc_UWord8 packet1_[kPacketSizeInBytes];
-  WebRtc_UWord8 packet2_[kPacketSizeInBytes];
-  WebRtc_UWord8 packet3_[1];
+  uint8_t packet1_[kPacketSizeInBytes];
+  uint8_t packet2_[kPacketSizeInBytes];
+  uint8_t packet3_[1];
   // Construct a data structure containing these packets
-  WebRtc_UWord8 packet_data_[kPacketDataLength];
-  WebRtc_UWord8* packet_data_pointer_;
+  uint8_t packet_data_[kPacketDataLength];
+  uint8_t* packet_data_pointer_;
 
   PacketRelatedTest() {
     packet_data_pointer_ = packet_data_;